JP2019085863A - Pile and correction material - Google Patents

Abstract

To provide a pile which enables a rail to be horizontally fixed on a line even when the pile is not accurately driven.SOLUTION: A pile 120 comprises a pile body 121 which is a steel pipe pile and a correction material 122. The correction material 122 has a cylinder section 122A in a cylindrical shape with an inner face along an outer face of the pile body 121. An installation section 122B which is a ring plate is installed above the cylinder section 122A. A foundation rail 110 is fixed on a plane of an upper face of the installation section 122B. The correction material 122 is welded to the pile body 121 in a manner that covers an upper side of the pile body 121. Misalignment of the pile body 121 in a vertical direction can be absorbed by fixing a distance L. Misalignment of the pile body 121 in a horizontal direction can be absorbed by a breadth of the upper face of the installation section 122B.SELECTED DRAWING: Figure 7

Description

  The present invention mainly relates to a pile driven into the ground to support rails laid horizontally and linearly at predetermined intervals.

For example, when disassembling a structure, a construction method using a temporary tent is known. The temporary tent includes the skeleton aggregate and a sheet covering the aggregate or extending between the aggregates.
Temporary tents are very useful for preventing the sound of disassembling the structure and the escape of harmful substances into the external environment. Related laws and regulations concerning prevention of noise and scattering of harmful substances are becoming more and more severe year by year, and temporary tents used for construction are used not only for dismantling structures but also for construction of structures. It is diversifying.
Temporary tents, as the name implies, are built temporarily when needed and removed when they are no longer needed. It takes more time to build a temporary tent than removal. Of course, the time spent on constructing and removing a temporary tent also affects the construction period of the construction work using the temporary tent.
In recent years where the demand for the cost which fluctuates with the construction period or its length is severe, how quickly and cheaply the temporary tent can be built and removed is a big issue.

By the way, a foundation is needed to build a temporary tent. Temporary tents are huge regardless of the name of the tent, and when it is large, one side and the height become nearly 100 m or more. However, temporary tents are light for their size, so they must be prevented from moving by wind. From such a point of view, the foundation that plays the role of fixing the temporary tent on the ground is important.
The conventional general foundation is made by placing concrete on site and hardening it. However, the foundation made in this way needs to be removed along with it when removing the temporary tent, and its handling is an issue.

On the other hand, the applicant proposes using a metal rail as a base by laying it on site. The metal rails are arranged in a straight line and horizontally, and a pair of two rails are parallel to each other across the range where the work is performed. The temporary tent includes aggregate including pillars erected on a pair of rails, and is constructed so as to straddle the range in which the work is performed. The applicant also proposes to move the temporary tent or a part of it on a metal rail.
For example, the construction period can be shortened by moving a temporary tent or a part of the temporary tent assembled on the outside of the construction area or at one end of the rail on the rail. By moving the temporary tent, assembly or movement of the temporary tent or a part thereof and other work for construction can be performed simultaneously and in parallel.

However, it is quite difficult to arrange the two rails as planned, horizontally, straightly and parallel to one another. When focusing on one rail, the rail is fixed at a predetermined location in the length direction with respect to a pile that is driven at a predetermined distance on a straight line in plan view.
In this case, since it is difficult to hit the pile exactly on the straight line, the pile may deviate from the planned straight line. The horizontal displacement of the pile (a linear displacement does not cause a major problem, but a linear displacement causes a problem) causes a horizontal displacement of the rails or the displacement occurs. There is a condition that the pile can not be fixed to the rail. On the other hand, when a large number of rails are driven into the ground, it is difficult to align the length of each pile protruding from the ground to a predetermined height, so the upper height of the part protruding from the ground of each pile There may be a case where vertical displacement occurs. The vertical displacement of the pile causes a vertical displacement of the rail, or a state in which the staggered pile can not be fixed to the rail. However, although it is possible to prevent the above-mentioned horizontal and vertical displacements from occurring by striking the pile precisely, it is necessary to precisely carry out the large-scale piling operation using a heavy machine It takes time and is not appropriate in terms of shortening the construction period.

There are also cases where two pairs of rails are provided across the range where the construction work is performed. Two rails for each pair of rails are used. If the rails for both rails are one rail, the cross-sectional area of the column that can be supported by one rail is determined by the width of the rails to some extent This makes it possible to support a thicker column by the two rails if the two rails arranged in close proximity to each other are used.
Even in such a case, if it is attempted to linearly support the four rails conveniently using piles, the same problem as described above arises. This is because in many piles, vertical and horizontal deviations may occur.
More specifically, such problems due to the horizontal and vertical misalignment of the pile occur even if the rails are not for temporary tents.

  An object of the present invention is to provide a pile for enabling the rail to be fixed horizontally and linearly, and its application technology.

In order to solve such problems, the inventor of the present invention proposes the following invention.
The present invention is a pile driven into the ground in order to support rails laid horizontally and straightly at predetermined intervals.
Then, the pile is configured to be fixable in a state where it is positioned at an arbitrary position in the length direction of the pile main body and a pile main body which is a prefabricated pile to be driven into the ground and the upper end of the pile main body The upper surface of the pile body which protrudes from the pile body in a plan view in all directions, and in which the rail perpendicular to the longitudinal direction of the pile body is fixed in a state fixed to the pile body And a correction material provided with a mounting portion having
The pile is configured to include a pile main body which is a prefabricated pile and a correction material. The pile body may be a ready-made pile. For example, the pile body is a known or known steel pipe pile.
On the other hand, the pile of the present invention is provided with a correction material. One compensating material is used in combination for one pile body. Due to the presence of the correction material, when the pile body is driven into the ground, even if at least one of the horizontal shift and the vertical shift is temporarily generated, the shift is absorbed. The theory is as follows.
The correction material is configured to be fixable in the state of being positioned at an arbitrary position in the length direction of the pile main body on the upper end of the pile main body. In addition, the correction material protrudes in all directions from the pile main body in plan view at its upper end, and a rail perpendicular to the longitudinal direction of the pile main body is attached with it fixed to the pile main body It has an attachment with a flat surface.
First, the correction material can be attached to the upper end of the pile main body at an arbitrary position in the longitudinal direction of the pile main body. Although there is a mounting portion having a horizontal flat surface on which the rail is mounted at the upper end of the correction material, the height of the mounting portion or the horizontal flat surface it has can be determined by appropriately positioning the vertical position of the correction material. It becomes possible to position the position arbitrarily. Thereby, at this time, for example, by adjusting the distance from the upper end of the pile body to the horizontal plane above the mounting portion, the height position of the upper surface of the mounting portion in the correction member is arbitrarily adjusted. be able to. Even if there is a slight deviation in the height of the upper end of each pile main body, it is possible to make the height of the upper plane of the mounting portion in each pile equal by adjusting the above-mentioned distance appropriately in each pile It becomes.
On the other hand, the horizontal displacement of the pile body is absorbed by the upper surface of the mounting portion extending outward from the cross section of the pile body. The upper flat surface of the mounting portion may extend in the cross section of the pile main body, that is, toward the inner side of the pile main body, as long as it extends outward from the cross section of the pile main body in plan view. The fixing of the rail to the pile, more specifically to the upper plane of the mounting portion, may be performed by any method as long as movement of the rail to the pile does not occur, for example, by welding or screwing. It is possible to
It is possible to absorb the upper side of many pile bodies drilled to the ground according to, for example, the lowest one, if there is a vertical displacement of the pile body without using a correction material. However, since the pile main body is generally a leased product, and the pile main body from which a part has been cut is treated as a defect, such correspondence is not appropriate. It is also one of the advantages of the present invention that such problems do not occur.
Note that the rails may be fixed directly to the plane above the mounting portion or may be mounted indirectly. For example, a predetermined member may be attached to the attachment portion, and the rail may be attached to the attachment portion via the predetermined member.

In the pile of the present invention, the mounting portion is a disk or a doughnut-shaped plate, and when the correction material is fixed to the pile main body, the center of the mounting portion is a disk or a doughnut-shaped plate , And may be located on the axis of the pile body. If the mounting portion is as described above, the shape of the upper flat surface of the mounting portion is always the same regardless of the direction in which the correction material is rotated with respect to the pile main body. That is, when the correction material is fixed to the pile main body, the work can be performed without regard to the relative attachment angle between them (the angle around the axis of the pile main body), so the working time can be shortened. You get
The pile of the present invention may be provided with a guided portion near the upper end of the pile main body such that the correction member can be translated relative to the pile main body while being guided by the pile main body. When such a guided portion is present, the flat surface on the mounting portion is kept perpendicular to the axis of the pile body, in other words, the flat surface on the mounting portion is kept horizontal to the pile main body. Since the correction material can be moved in parallel, the work of positioning the height position of the correction material with respect to the pile body can be easily performed. This also has the effect of shortening the working time.
The details of the configuration of the guided portion are not limited as long as it allows the correction material to be translated relative to the pile main body while being guided by the pile main body in the vicinity of the upper end of the pile main body.
In most cases, the pile body is cylindrical in shape. In such a case, the guided portion corresponds to the outer surface of the pile main body, and corresponds to the inner surface guided by the outer surface of the pile main body, or to the inner surface of the pile main body It may be cylindrical with an outer surface being

The correction material and the pile main body may be made of mutually weldable materials, and the correction material may be fixed to the pile main body by welding. For example, the above-described cylindrical guided portion may be made of a material that can be welded to the pile body, and the guided portion may be welded and fixed to the pile body.
As mentioned above, in many cases the pile body is cylindrical in shape. In that case, the attachment portion in the correction material is a doughnut-shaped plate, and when the correction material is fixed to the pile body, the center of the attachment portion, which is a doughnut-shaped plate, is the pile body And the guided portion of the correction member corresponds to the outer surface of the pile main body and is guided to the outer surface of the pile main body, or the inner surface of the pile main body And may have a cylindrical shape with an outer surface that is guided by the inner surface of the pile body. In this case, in the cylindrical guided portion, a groove penetrating the inner and outer surfaces is spirally cut in an appropriate range in the vertical direction, and in the vicinity of the upper end of the pile main body, The upper end of the pile body is covered with the guided portion while guiding the inner surface of the guided portion to the outer surface of the pile main body, or the guided surface is guided by the inner surface of the pile body. Aligning the guided portion relative to the pile main body with the groove provided in the guided portion at an arbitrary height position of the pile main body when inserting the part; Holes may be drilled at possible locations. In this case, a nut is screwed into a bolt which allows the hole of the pile main body and the groove of the guided portion to pass through collectively, and the pile main body and the attachment are installed between the head of the bolt and the nut. The said correction material may be fixed with respect to the said pile main body by making it hold | maintain with a part. This is an example in which the correction material can be detachably fixed to the pile main body with a bolt and a nut. By thus enabling both to be detachably fixed, it is possible to reuse the pile main body and the correction material.

The inventor of the present invention also proposes the above-described correction material as an aspect of the present invention. The effect of the compensating material is equal to the effect of the pile described above.
The correction material as an example in the present invention is as follows.
A correction material is a correction material which constitutes a pile driven into the ground to support the rails laid horizontally and straightly at a predetermined interval in combination with a pile main body which is a prefabricated pile driven into the ground. It is.
The correction material is configured to be fixable at an upper end of the pile main body in an arbitrary position in the longitudinal direction of the pile main body, and at the upper end from the pile main body at least in plan view The mounting portion has a flat surface on which the rails extending in all directions, which are perpendicular to the longitudinal direction of the pile main body, are fixed in the pile main body.

The inventor of the present application proposes a rail structure including a pile and a rail using any of the above-described piles as an aspect of the present invention. The effect is almost equal to the effect of the pile described above.
The rail structure as an example includes a rail laid horizontally and on a straight line, a pile main body which is a prefabricated pile hit on the ground at a predetermined interval so as to lie on a straight line parallel to the straight line, and the pile main body Each upper end is configured to be fixable in a state of being positioned at an arbitrary position in the longitudinal direction of the pile main body, and the upper end thereof protrudes in all directions from the pile main body in plan view And a plurality of correction members provided with a mounting portion having a flat surface to which the rail perpendicular to the longitudinal direction of the pile main body is fixed in a state of being fixed to the pile main body.
And the height of the plane of the attachment part in all the piles on the straight line parallel to the straight line is appropriately performed by appropriately positioning the fixed correction material of the pile main body with respect to the pile main body in the longitudinal direction. The rails are mounted against the plane of the mounting portion.
In addition, although the pile main body in such a rail structure is “dipped into the ground at a predetermined interval so as to be on a straight line parallel to the straight line”, in the present application, such a sentence It means that it can be As described above, it is almost impossible at the construction site to accurately drive the pile so that the horizontal position is completely on schedule. Also, the length of each pile main body protruding from the ground surface is almost impossible to make it completely as scheduled as already explained, and there is no mention of that in the above-mentioned sentence, but it is practically said that You should think.
According to this rail structure, since the correction material contained in each pile absorbs the shift of the pile in the horizontal direction and the vertical direction, it becomes possible to arrange the rail horizontally on the planned straight line.
In the rail structure of the present invention, a predetermined member is attached to the attachment portion, and the rail is attached to the attachment portion via the predetermined member. I do not care.
In the rail structure of the present invention, the pile is placed on two straight lines parallel to the straight line, and is placed on a plurality of straight lines of a predetermined interval orthogonal to the two straight lines and the two straight lines. In the case where two piles of the piles which are struck so as to get on one of a plurality of straight lines of a predetermined distance orthogonal to the two straight lines are used as one set of piles. In the mounting portion of the pair of piles, the vicinity of both ends of a bridging material having a plane whose upper surface is a horizontal surface is fixed, and the rails are fixed to the upper surface of the bridging material. You may be being fixed to the said pile via the said crossing material. By using the bridging material, it is possible to reliably arrange the rails horizontally on a predetermined straight line.
When a straddle is used in the rail structure of the present invention, two rails parallel to the straight line may be fixed to the plane of the straddle. Two adjacent rails are treated as one set of rails. In this case, one set of rails will be made parallel to the same set of rails and at the same height, and they will function as a pair of rails.

FIG. 3 is a plan view including a surrounding area including a target area including an example building of an old structure before being rebuilt in one embodiment. The perspective view of the object range and building which were shown in FIG. The side view seen from the arrow A direction in FIG. 1 about the ground and the underground part of the building shown in FIG. FIG. 2 is a plan view of the same area as FIG. 1 after the old ground part of the building shown in FIG. 1 has been disassembled. Fig. 4 is a side view of the same area as Fig. 3 after the old ground part of the building shown in Fig. 1 has been disassembled; The top view about the same range as Drawing 1 after a foundation rail is arranged. The side view including a partial perspective view which shows the structure of a pile for supporting a foundation rail. The perspective view of the correction material contained in the pile shown in FIG. The perspective view which shows the other example of the pile shown in FIG. The perspective view for demonstrating the construction method of the temporary installation tent which covers the object range shown in FIG. The perspective view for demonstrating the construction method of the temporary installation tent which covers the object range shown in FIG. The perspective view for demonstrating the construction method of the temporary installation tent which covers the object range shown in FIG. The perspective view for demonstrating the construction method of the temporary installation tent which covers the object range shown in FIG. The top view which expands and shows the vicinity of the object range which shows the state in which the cast-in-place pile was hit within the specific range of the object range shown in FIG. The side view seen from the arrow A direction in FIG. 1 which shows the process in the case of strike-in-place pile in the specific range of the object range shown in FIG. The side view which shows the same range as FIG. 15 which shows the process in the case of strike-in-place pile in the specific range of the object range shown in FIG. The side view which shows the same range as FIG. 15 which shows the process in the case of strike-in-place pile in the specific range of the object range shown in FIG. The side view which shows the same range as FIG. 15 which shows the state after hitting a cast-in-place pile in the whole range in the specific range among the object ranges shown in FIG. The side view seen from the arrow B direction in FIG. 1 which shows the state after hitting a cast-in-place pile in the whole range in the specific range among the object ranges shown in FIG. The side view which shows the same range as FIG. 19 which shows the state after providing a gantry after becoming in the state shown in FIG. The side view which shows the same range as FIG. 19 which shows the state after carrying in a bulldozer in order to form underground space. The side view which shows the same range as FIG. 19 which shows the state in the middle of the underground space being formed. The side view which shows the same range as FIG. 19 which shows the state after the underground space was completed. The side view which shows the same range as FIG. 19 which shows the process for striking a cast-in-place pile in the place out of the specific range in underground space after underground space is completed. The side view showing the same range as Drawing 19 showing the state after the process for putting a cast-in-place pile in the place out of the specific range in underground space completion. The top view which shows the same area as FIG. 14 which shows the state after the process for putting a cast-in-place pile in the place out of the specific range in underground space completion. The side view which shows the same range as FIG. 19 for demonstrating the process of constructing the underground part of a new building. The side view which shows the state which the process which builds the underground part of a new building complete | finished, shows the same range as FIG. The side view which shows the same range as FIG. 19 for demonstrating the process of constructing the ground part of a new building. FIG. 7 is a side view, including a partial perspective view of a set of piles and those attached thereto, illustrating other methods of securing the foundation rails and piles. The top view which shows the positional relationship of the foundation rail fixed by the method of FIG. 30, a pile, and the pillar of an aggregate.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings.

In this embodiment, the structure is a structure built on a certain site, and the old structure having the structure underground is disassembled together with the structure, and the structure having the structure underground on the site where the old structure was present Explain the case of building a thing.
Temporary tents are used in the process. The rail structure in the present invention is used as a foundation of the temporary tent, and the pile in the present invention and the correction material in the present invention are used as a part of the rail structure. However, the application destination of the pile, the correction material, and the rail structure of the present invention is not limited to the foundation of the temporary tent.

1 to 3 show an old structure 10 to be disassembled from now. 1 is a plan view, FIG. 2 is a perspective view, and FIG. 3 is a side view from the direction of the arrow A in FIG. 1 including the underground.
The old structure 10 is in this embodiment three buildings 11, 12, 13. Each of the old structures 10 includes an old ground portion 10A located on the ground and an old underground portion 10B located in the basement which is a structure. The old ground parts 10A are all known or known ground parts of a building, and the old underground parts 10B are all known or known underground parts of a building. The former underground part 10B is typically a basement and an underground passage.
The buildings 11, 12, 13 are built in a section surrounded by the road 15 (FIG. 1). The shaded range of the section marked with X is the range in which a later described building, which is a new structure, is built, and corresponds to the target range in the present invention. A plurality of cast-in-place piles, which will be described later, are to be struck on the entire area within the target range as necessary. Although not limited to this, in this embodiment, the target range X is a horizontally-long rectangle long in the left-right direction in FIG. Although not limited to this, in this embodiment, the old structures 10 to be demolished for rebuilding are three of the buildings 11, 12, and 13, and one large size will be described on that site, too. A new structure will be built that is the building of This is to rebuild and build a large building on an adjacent site where a plurality of small buildings were built, and corresponds to a form of rebuilding often seen in redevelopment of the city.
As shown in FIG. 3, under the old underground portion 10B of the old structure 10, there is an old pile 10C which is a pile supporting the old structure 10. The old pile 10C may or may not be a cast-in-place pile. Generally, the length of piles of tall or large structures is long. Although not restricted to this, in this embodiment, the old pile 10C of the largest building 11 is the longest, and the old pile 10C of the smallest building 13 is the shortest.

In the case of rebuilding work, the old structure 10 is first disassembled.
Dismantling of the old structure 10 is performed from the old ground portion 10A. The dismantling of the old ground portion 10A can be performed by a conventional method. When dismantling the old ground portion 10A, in many cases, a temporary tent to be described later is not used. Even if you try to build a temporary tent for dismantling the old ground part 10A of the old structure 10, it is virtually possible to secure enough space for the temporary tent to be built around the ground part 10A of the old structure 10 It is because it is almost impossible. The dismantling according to the conventional method is, for example, providing temporary scaffolding around the old ground portion 10A of the old structure 10 and dismantling using a water sprinkling method.
The debris generated by dismantling the old ground portion 10A is carried out from the target range X to the outside. The removal of the rubble may also be performed by a known or known technique.
Thereafter, the entire target range X is leveled. When the target range X is leveled, if there is a space in the old underground portion 10B, it is preferable to backfill the space. For example, the space in the old underground portion 10B can be backfilled with a floor slab or a recycled concrete crushed material or the like generated by crushing the old ground portion 10A.
The state after leveling the target range X is shown in the plan view of FIG. 4 and the side view of FIG.

Steps after that will be carried out using a temporary tent.
The temporary tent in this embodiment is constructed as follows.
In this embodiment, in order to construct a temporary tent, a pair of two base rails 110 is disposed so as to sandwich the target range X (FIG. 6). In addition, the arrangement of the foundation rail 110 may be performed in parallel with the dismantling work of the old ground portion 10A before the dismantling of the old ground portion 10A of the old structure 10 is completed, if it is possible. .
Each of the two foundation rails 110 is long and both are horizontal and parallel to each other. In this embodiment, the two base rails 110 are slightly longer than the length of the long side of the rectangular target range X, and both ends of the long side from the long side of the target range X are slightly It is distributed in such a way as to come out.
The foundation rail 110 is for building a temporary tent on the base rail 110, and serves as a foundation of the temporary tent. The lower end of the temporary tent will be fixed to the foundation rail 110. Thereby, the temporary tent is prevented from moving, for example, by strong wind. The base rail 110 is provided with such a weight as to obtain such an effect, and the material is made of metal for the purpose of gaining weight and requiring rigidity. At least a portion of the temporary tent can be moved in the longitudinal direction of the base rail 110 on the base rail 110 as described later.
The foundation rail 110 only needs to be able to move while guiding the temporary tent, and known and known ones can be applied to this. For the foundation rail 110, for example, a rail used as a railway track can be used for this, and a general H steel can also be used for this.

By the way, the two foundation rails 110 are fixed at a predetermined plurality of places in the length direction on the upper side of a portion which is struck from the ground and whose upper end protrudes from the ground of the pile projecting from the ground. This pile is different from cast-in-place piles described later. The foundation rail 110 should be fixed to such a pile. In order to prevent the movement of the temporary tent fixed to the foundation rail 110, the foundation rail 110 itself must first be prevented from moving relative to the ground surface. It is because there is. The foundation rail 110 is firmly fixed to the ground surface via the pile.
However, it is quite difficult to arrange the two foundation rails 110 horizontally and parallel to one another as planned. When focusing on one foundation rail 110, as described above, the foundation rail 110 is fixed at a predetermined location in the length direction with respect to a pile driven in at a predetermined interval on a straight line in plan view. Ru.
In this case, since it is difficult to hit the pile exactly on the straight line, the pile may deviate from the planned straight line. Such a horizontal displacement of the pile (a linear displacement does not cause a major problem, but a linear displacement causes a problem) may cause a horizontal displacement of the base rail 110, or A situation occurs in which the misplaced pile can not be fixed to the foundation rail 110. On the other hand, when a large number of foundation rails 110 are driven into the ground, it is difficult to align the length of each pile projecting from the ground to a predetermined height, so the upper side of the part protruding from the ground of each pile There may be a vertical shift in height. The vertical displacement of the pile causes a vertical displacement of the foundation rail 110 or a state in which the staggered pile can not be fixed to the foundation rail 110. However, although it is possible to prevent the above-mentioned horizontal and vertical displacements from occurring by striking the pile precisely, it is necessary to precisely carry out the large-scale piling operation using a heavy machine It takes time and is not appropriate in terms of shortening the construction period.
Such problems are overcome in this embodiment as follows.

Also in this embodiment, the foundation rail 110 is fixed to the pile 120 as shown in FIG. The pile 120 in this embodiment is comprised by the pile main body 121 which is a general prefabricated pile, and the correction material 122 attached to the pile main body 121. As shown in FIG. The pile main body 121 is a pile driven vertically downward from the ground surface, and is, for example, a cylindrical pile generally called a steel pipe pile. In the case of a steel pipe pile, the pile body 121 may be known or known and is made of metal such as iron. In the case of a steel pipe pile, the pile body 121 is generally cylindrical. At the lower end of the pile main body 121, a laterally spread anchor body 121A for preventing the pile main body 121 from coming out of the ground is attached. The pile body 121 is driven into the ground using a well-known or known well-known pile driving machine for piles.
As mentioned above, a plurality of pile bodies driven into the ground are driven in a straight line on which the foundation rail 110 is to be disposed. However, the horizontal position of the pile body 121 does not have to be so accurate, and some horizontal displacement is allowed. Moreover, each pile main body 121 is made into the state which one part of those upper sides protruded somewhat from the ground surface. However, the heights of the upper end portions of the pile bodies 121 do not have to be exactly aligned, and some vertical displacement is allowed.

At the upper end of each pile body 121, a correction material 122 as shown in FIGS. 7 and 8 is attached. The correction member 122 absorbs both the horizontal displacement generated in each pile body 121 and the vertical displacement. Due to the presence of the correction member 122, even if at least one of the horizontal displacement and the vertical displacement is somewhat present in the pile main body 121, the foundation rail 110 is straight and horizontal with respect to each pile 120. It becomes fixable in the state which kept sex. The correction member 122 can be arbitrarily positioned and fixed at an appropriate position in the length direction of the pile main body 121 at the upper end of the pile main body 121.
As shown in the perspective view of FIG. 8, the correction member 122 is configured by a lower cylindrical tube portion 122A and an attachment portion 122B attached to the upper end of the tube portion 122A. The correction material 122 is made of metal, for example, the same metal as the pile main body 121. In this embodiment, the compensating member 122 and the pile body 121 can be welded to each other, and can be made of a material that can do so.
The cylindrical portion 122A corresponds to an example of the guided portion in the present invention, and is for realizing parallel movement of the correction member 122 with respect to the pile main body 121 along the axial direction of the pile main body 121. Such parallel movement is realized by the cylindrical portion 122A being guided near the upper end of the pile main body 121. If this can be realized, the shape of the cylindrical portion 122A does not necessarily have to be cylindrical regardless of its name.
The cylindrical portion 122A in this embodiment is cylindrical, and has an inner shape corresponding to the outer shape of the pile main body 121. In general, since the cross-sectional shape in the direction perpendicular to the longitudinal direction of the pile main body 121 is circular, the cross-sectional shape of the space inside the cylindrical portion 122A is circular. In the example described here, the inner diameter of the cylindrical portion 122A is substantially equal to the outer diameter of the pile main body 121. Thus, the cylindrical portion 122A can be attached in a state of being put in the vicinity of the upper end of the pile main body 121 such that the inner surface is attached to the outer surface of the upper end of the pile main body 121. If it is possible, the outer shape of the cylindrical portion 122A does not matter, but in this embodiment, the outer shape of the cylindrical portion 122A is also cylindrical.
The mounting portion 122B has a flat surface on the top surface. The foundation rail 110 is fixed to such a plane. The mounting portion 122B may be in the form of a plate having the same thickness in all portions in this embodiment, although the shape of the other portions is not limited as long as the upper surface is a flat surface. The mounting portion 122B extends outward in all directions from the central axis of the cylindrical portion 122A. The attachment portion 122B in this embodiment is not limited to this, but is perpendicular to the axis of the cylindrical portion 122B attached to the upper end of the cylindrical portion 122B, and has a donut shape in plan view It is considered a board. The radial width of the donut shaped mounting portion 122B is the same in all parts, but this is not the case. Although a hole communicating with the cylindrical portion 122A as shown in FIGS. 7 and 8 may be present at the center of the mounting portion 122B, the mounting portion 122B may be disc-shaped to eliminate the hole. It is also possible. In addition, it is possible to make the size of the hole different from the size of the hole of the cylindrical portion 122A or the like, and the like. That is, although it is necessary for the plane on the mounting portion 122B to be in a state of protruding outward from the pile main body 121, it is in a state of protruding to the inside of the pile main body 121B. It is good.
The correction member 122 covers the upper end of the pile main body 121 by covering the cylindrical portion 122A on the upper end of the pile main body 121 such that the inner surface is attached to the outer surface of the upper end of the pile main body 121 as described above. Mounting (Fig. 7 (A)). At this time, by adjusting the distance L from the upper end of the pile main body 121 to the lower end of the cylindrical portion 122A, the height position of the upper surface of the mounting portion 122B in the correction member 122 can be arbitrarily adjusted. Even if there is a slight deviation in the height of the upper end of each pile 120, the height of the upper surface of the mounting portion 122B in each pile 120 is adjusted by appropriately adjusting the above-mentioned distance L in each pile 120. It becomes possible to align. The adjustable width of the height of the upper surface of the mounting portion 122B in each pile 120 is determined by the length of the cylindrical portion 122A. The length of the cylindrical portion 122A may be determined according to the required adjustment width. The fixing of the correction member 122 to the pile main body 121 may be performed by any method as long as the fixing is strong enough not to cause the movement of the foundation rail 110, but it may be performed by welding, for example. It is possible.
On the other hand, the horizontal displacement of the pile main body 121 is absorbed by the upper surface of the mounting portion 122B having a spread. In the view shown in FIG. 7A, the foundation rail 110 whose cross section perpendicular to the length direction is shown is illustrated in a state slightly shifted leftward from the central axis of the pile main body 121. Essentially, if the pile main body 121 is mounted exactly on the above-mentioned planned straight line, the axis of the pile main body 121 should penetrate the center in the width direction of the foundation rail 110. However, when the pile main body 121 is slightly deviated from the straight line, as shown in FIG. 7A, the center in the width direction of the foundation rail 110 is somewhat deviated relatively from the axis of the pile main body 121 Will be However, even if horizontal displacement from the originally planned position exists at the position of the pile main body 121, some spread is present on the upper surface of the mounting portion 122B to which the base rail 110 is attached. There is no problem in fixing the rail 110 to the pile 120. The horizontal adjustable width of the foundation rail 110 in each pile 120 is determined by the shape and size of the mounting portion 122B. The shape and size of the mounting portion 122B may be determined according to the required adjustment width. The fixing of the foundation rail 110 to the pile 120, more specifically to the top surface of the mounting portion 122B, may be performed by any method as long as movement of the foundation rail 110 to the pile 120 does not occur. It is possible to do this.
Although the base rail 110 may be directly fixed to the upper surface of the attachment portion 122B, the attachment portion 122B of the correction member 122 of each pile 120 has a predetermined member having a flat surface to be a horizontal surface thereof. It is also possible to fix the foundation rail 110 in the plane above the predetermined member by fixing it in the plane above. Then, the foundation rail 110 is fixed to the pile 120 via a predetermined member.

In the above-described example, the inner diameter of the cylindrical portion 122A of the correction member 122 is substantially equal to the outer diameter of the pile main body 121, whereby the cylindrical portion 122A is against the outer surface of the upper end of the pile main body 121. The inner surface of the pile main body 121 can be attached in such a manner as to cover the upper end of the pile main body 121 in such a manner that the inner surface of the pile main body 121 is attached (FIG. 7 (A)). Instead of this, the outer diameter of the cylindrical portion 122A of the correction member 122 is made substantially equal to the inner diameter of the pile main body 121, whereby the outer surface of the cylindrical portion 122A against the inner surface of the upper end of the pile main body 121 It is also possible to attach it so that it may be inserted in the vicinity of the upper end of the pile main body 121 (FIG. 7 (B)). As described above, the configuration of the cylindrical portion 122A is not particularly limited as long as the correction member 122 can be attached by appropriately positioning the position in the vertical direction with respect to the pile main body 121. Also in the case shown in FIG. 7 (B), it is possible to fix the pile main body 121 and the correction member 122 by welding, for example.
An example in the case of performing fixation with correction material 122 and pile main part 121 by methods other than welding is shown in FIG. In the case where the correction member 122 and the pile main body 121 are fixed by welding so as not to be removable, the positional relationship between the correction member 122 and the pile main body 121 fixed to each other can not be corrected again. Therefore, when the said pile main body 121 and the correction material 122 are utilized in a certain field, it becomes difficult to reuse in another field. On the other hand, in the case where the fixing member 122 and the pile main body 121 are detachably fixed, the fixing member 122 and the pile main body 121 are fixed at a certain site when fixing the foundation rail 110 to the pile 120. By releasing the fixation between the pile main body 121 and the correction member 122 after the use of the foundation rail 110, it becomes possible to reuse the pile main body 121 and the correction material 122 at other sites. . In this case, the fixation between the base rail 110 and the correction member 122 should also be removable. As a method of detachably fixing the correction member 122 and the foundation rail 110 is known or known by a method of detachably fixing the pile 120 and the foundation rail 110 using, for example, a bolt and a nut, good.
The example shown in FIG. 9 will be described. FIG. 9A is a perspective view showing the vicinity of the upper end portion of the pile main body 121. FIG. Holes 121 B are formed at appropriate positions of the pile main body 121. The number of holes 121B is at least one, and three in this embodiment. FIG. 9B shows the correction material 122. As shown in FIG. The correction member 122 includes a cylindrical portion 122A and an attachment portion 122B, as in the case shown in FIG. The cylindrical portion 122A is provided with a spiral attachment groove 122A1 cut from the lower end to the upper end of the cylindrical portion 122A. The mounting groove 122A1 extends to the lower end of the cylindrical portion 122A. In the example shown in FIG. 9, the position of the mounting groove 122A1 of the cylindrical portion 122A and the position of the hole 121B drilled in the pile main body 121 with respect to the pile main body 121 by rotating the cylindrical portion 122A up and down It is possible to align while making the height of the correction material 122 any height. In that state, the three holes 121B and the mounting groove 122A1 overlapping with the three holes 121B are collectively and penetrated from the inside or the outside of the cylindrical portion 122A with the bolts 123A, and the nuts 123B are screwed to the bolts 123A, The cylindrical portion 122A and the pile main body 121 are held between the head of the bolt 123A and the nut 123B (FIG. 9 (C)). Accordingly, it is possible to fix the correction member 122 with respect to the pile main body 121 in a state where the height position with respect to the pile main body 121 is appropriately positioned. It is of course possible to use a washer 123C as well known in the art for sandwiching the cylindrical portion 122A and the pile main body 121 with the bolt 123A and the nut 123B.
In the example shown in FIG. 9, the spiral attachment groove 122A1 provided in the cylindrical portion 122A is a series. However, while there is a possibility that the strength of the cylindrical portion 122A may be affected if the mounting groove 122A1 is a series, the mounting groove 122A1 does not function except for the part that is penetrated by the bolt 123A. Therefore, it is possible to leave the wall of the cylindrical portion 122A as it is, that is, to divide the mounting groove 122A1 without providing the mounting groove 122A1 in a portion of the mounting groove 122A1 which is not expected to be penetrated by the bolt 123A from the beginning. is there. For example, in the example shown in FIG. 9, since the cylindrical portion 122A and the pile main body 121 are penetrated by the three bolts 123A, the mounting groove 122A1 is divided into three, and two places between them. The wall of the tubular portion 122A can be left behind. By doing so, it is possible to realize detachable fixing of the cylinder portion 122A and the pile main body 121 in the method as described above while suppressing the influence on the strength of the cylinder portion 122A.

Next, the two foundation rails 110 are respectively fixed to the piles 120 aligned on the two straight lines. Although the base rail 110 is long, it does not have to be a single one, and may be configured by arranging a plurality of members constituting the base rail 110 on the same straight line as known or known.
A temporary tent is provided using these two foundation rails 110. Although a temporary tent is not restricted to this, in this embodiment, it provides like FIGS. 10-13.
In this embodiment, the temporary tent 200 (see FIG. 13) is configured by combining a plurality of divided tents 210. The divided tents (see FIGS. 10 to 12) are part of the temporary tent 200. The divided tent 210 is composed of an aggregate 220 and a sheet 230 stretched between the aggregates 220 as shown in FIG. 10 and the like.
The aggregate 220 is a framework of the temporary tent 200, and is for supporting the sheet 230 covering the temporary tent 200. The configuration of the aggregate 220 may be the same as known or known. The aggregate 220 in this embodiment is perpendicular to the base rail 110 in plan view, and is disposed at a predetermined distance. Although not limited to this, the distance between the aggregates 220 is constant in this embodiment, and the members 220 are connected to each other by a member not shown so that the constant distance is maintained. It is supposed to be In this embodiment, although the number of aggregates 220 included in one split tent 210 is three, this is not limited thereto. The split tents 210 constitute a temporary tent 200 by moving them on the foundation rail 110 and combining them as described later, but if the number of aggregates 220 included in the split tent 200 is large, the split tents Since the number of movements of 210 can be reduced, the burden of work on the movement of the divided tent 210 and the work time are reduced. However, since the weight of the split tent 210 is increased by increasing the number of aggregates 220 included in the split tent 210, the size of the split tent 210 or the number of aggregates 220 included therein can be moved. It will be limited by the weight of the split tent 210 and also by the size of the assembly area of the split tent 210 which will be assembled as described below.
The aggregate 220 is composed of a vertically extending column 221 and a beam 222 supported by the column 221. Although both the column 221 and the beam 222 are rod-shaped, they do not have to be configured as a single rod-like body, and a plurality of members may be combined to form, for example, a truss structure. The beam 222 in this embodiment constitutes the roof of the temporary tent 200, and two beams are connected in an inclined manner so that the center is high. As a result, although the temporary tent 200 has a gable-shaped roof as shown in FIG. 13, the roof structure of the temporary tent 200 is not limited thereto. The temporary tent 200 can cover the entire target range X, and it is necessary that a heavy machine (for example, a crane vehicle) as described later can perform work inside thereof. For example, the long side of the temporary tent 200 may exceed 100 m, and the height may exceed 50 m.

The sheet 230 can be, for example, a sheet made of resin, or a sheet in which at least one surface of a woven or knitted fabric made of fibers is coated with a resin. The example of resin which comprises the sheet | seat 230 is a vinyl chloride resin, polyethylene, etc., The thickness is 0.5 mm-2.0 mm, for example. The sheet 230 can be rolled up or folded, but in this embodiment, both of them are possible, and has at least a degree of flexibility that allows bending along the aggregate 220.
The sheet 230 is a long rectangle in this embodiment. The width of the sheet 230 is equal to or slightly longer than the distance between the adjacent aggregates 220. The longitudinal length of the sheet 230 corresponds to the length of one aggregate 220, that is, the combined length of two columns 221 and two beams 222 included in one aggregate 220. It is done. Of course, the sheet 230 may be a sheet obtained by laminating a plurality of sheet materials by heat fusion or the like.
By fixing both ends in the width direction of the sheet 230 along the two adjacent aggregates 220, the sheet 230 is stretched between the adjacent two aggregates 220. The method of fixing the sheet 230 and the aggregate 220 may be known or known in the art. The seat 230 preferably has a certain degree of translucency to maintain the brightness in the temporary tent 200, and the sound based on the work performed in the temporary tent 200 leaks out of the temporary tent 200. It is preferable to have some degree of sound insulation to prevent It is also possible to make the sheet 230 a double structure mainly for the purpose of improving the sound insulation. Further, in selecting the sheet 230, necessary functions such as weather resistance are taken into consideration.

In this embodiment, the split tent 210 is assembled on one end of the foundation rail 110. In the vicinity of one end of the foundation rail 110, heavy equipment, such as a crane, required to assemble the divided tent 210 is disposed.
In this embodiment, both the column 221 and the beam 222 are constructed by assembling a large number of members in a truss shape. The two pillars 221 of each aggregate 220 are assembled on the end of one side of the two foundation rails 110. Next, the base ends of the two beams 222 are connected to the upper ends of the columns 221, and the beams 222 are inclined upward toward the center of the foundation rail 110 and extended so that the tips of the beams 222 are connected. . Thereby, the aggregate 220 is completed. This operation is performed on the three aggregates 220.
Then, the aggregates 220 are connected with each other by the above-mentioned unshown members so that the intervals of the aggregates 220 can be kept constant. Then, the sheet 230 is stretched between the two adjacent aggregates 220.
In this way, a first split tent 210 is constructed on one end side of the foundation rail 110 (FIG. 10).

Next, the first divided tent 210 is slid to the other end side of the base rail 110 as indicated by arrows in FIG. The method of moving the split tent 210 can be known or can be according to a known technique, and the power used to move the split tent 210 on the base rail 110 can be appropriately selected. In this embodiment, although not limited to this, in this embodiment, a hydraulically driven jack spindle is used as a power, for example, while fixing the main body of the jack spindle at an appropriate position of the foundation rail 110, By fixing to a cylinder that translates in the longitudinal direction of the base rail 110 with respect to the main body of the jack spindle and repeating the operation of translating the cylinder with respect to the main body, the distance according to the moving distance of the cylinder is repeated. This is done by moving the split tent 210.
As a result, the split tent 210 is moved to the other end of the foundation rail 110 (FIG. 11).

Then, a second split tent 210 is constructed at one end of the foundation rail 110 through the same process as the first split tent 210 in the same manner as the first split tent 210. The construction of the second divided tent 210 may be started while the first divided tent 210 is moving, and the same applies thereafter.
Similar to the first divided tent 210, the constructed second divided tent 210 is moved on the base rail 110 toward the other end of the base rail 110.
The second divided tent 210 is connected to the first divided tent 210 near the other end of the foundation rail 110. There are the following two methods for connecting the second split tent 210 and the first split tent 210, and any one of them is adopted.
The first method is, among the aggregates 220 of the first divided tent 210, the rearmost one considering the traveling direction of the divided tent 210, and the aggregate 220 of the second divided tent 210, In the traveling direction of the divided tents 210, the most front one is connected as it is. In that case, the aggregate 220 of the connected portion is twice as thick as the other aggregate 220 in view of the traveling direction of the split tent 210. If the user dislikes that, the thickness of the aggregate 220 of each split tent 210 considered in the direction of travel of the split tent 210 and the thickness in the direction of travel of the split tent 210 of the front and back is considered It may be set as half of the aggregate 220 of FIG. By doing so, it is possible to make the thickness of the aggregate 220 in the connected part equal to the thickness of the aggregate 220 in the other part.
In the second method, first, among the aggregates 220 of the first divided tent 210, the aggregate 220 of the second divided tent 210 and the rearmost one considered in the traveling direction of the divided tent 210. Among the divided tents 210, the second divided tent 210 is advanced until there is a space corresponding to the distance between the aggregates 220 in each divided tent 210, considering the traveling direction of the divided tents 210 and the first one. After that, among the aggregates 220 of the first divided tent 210, the divided ones among the aggregates 220 of the second divided tent 210 and the rearmost one considered in the traveling direction of the divided tent 210. The sheet 230 is stretched between the first and the last ones in the same way as in the case of making the split tent 210. In this case, of the aggregates 220 of the first divided tent 210, the ones behind the second divided tent 210 in the traveling direction of the divided tent 210 and the divided 220 of the aggregates 220 of the second divided tent 210. The above-mentioned members may be disposed to keep the distance between the two aggregates constant, considering the direction of movement and the frontmost one.
Whichever method is taken, this causes the second split tent 210 to be connected to the first split tent 210.

Similarly, a third split tent 210, a fourth split tent 210, a fifth split tent 210... Are constructed at one end of the foundation rail 110, and the other of the foundation rail 110 is placed on the foundation rail 110. After being sent to the end side, it is connected to the divided tent 210 one before that (FIG. 11).
The last split tent 210 may not be transported over the foundation rail 110. Finally, a temporary tent 200 which spans substantially the entire length of the foundation rail 110 is substantially completed (FIG. 12).
In this state, the front and the rear are open when considered in the moving direction of the divided tent 210 of the temporary tent 200. By covering the open part with a pentagonal sheet 240 in this embodiment, a temporary tent 200 completely covering the target range X is completed (FIG. 13).
The sheet 240 can be different from the sheet 230 only in shape. The method of fixing the sheet 240 to the most front and back aggregate 220 of the temporary tent 200 may be according to known methods or known techniques. The seat 240 is provided with at least one openable door 241 as needed. The door 241 is used by heavy machinery and workers to enter and leave the temporary tent 200, and the configuration thereof may be according to known or known techniques. The timing at which the sheet 240 is stretched does not have to be after the temporary tent 200 is in the state shown in FIG. 12. For example, the first split tent 210 may already have the sheet 240 stretched when it is assembled at one end of the foundation rail 110.
When the pentagonal sheet 240 is stretched on the temporary tent 200, it is possible to appropriately provide pillars and beams (not shown) in the pentagonal openings before and after the temporary tent. In this case, the lower end of the column should be fixed to some foundation. For example, it is possible to fix the lower end of a pillar on the basis of the foundation rail 110 arranged along the short side of the target range X fixed to the pile 120 as described above. In this case, it can be adopted as a normal method that the columns and beams are assembled after the temporary tent 200 is in the state shown in FIG. 12, and then the seat 240 is attached.

As explained above, the temporary tent 200 is built on the foundation rail 110 which is the foundation. More specifically, the lower end of the pillar 221 constituting the aggregate 220 is mounted on the foundation rail 110.
As described above, the base rails 110 are disposed one by one outside the two long sides of the target range X. However, when the width of the base rails 110 is small, there is a possibility that the thickness of the pillars 221 that can be supported by each of the base rails 110 may be limited. As a result, limitations may occur in the thickness and strength of the aggregate 220.
In order to eliminate such limitation, it is possible to make the base rails 110 disposed outside the two long sides of the target range X in pairs. In this case, as shown in FIGS. 30 and 31, the pile 120 is struck in a pair on two virtual straight lines (first straight lines) parallel to the long side of the target range X. A large number of piles 120 are ideally, for example, at intersections where straight lines (second straight lines) drawn at regular intervals, for example, equidistantly perpendicular to any of the two first straight lines, and the two first straight lines. Be beaten. The pile 120 located on the common 2nd straight line among many piles 120 is one set of piles 120. In addition, the pile 120 in this case is the same as the pile 120 detailed so far, including usage.
Then, a bridging material 150 as shown in FIG. 30 is passed to one set of piles 120. The bridging member 150 may be a strong member having a length as long as possible passing through a pair of piles 120 and on which a flat surface can be made. The bridging member 150 is, for example, H steel. If H steel is used to make the H character lie down, a flat surface is created on it.
In the above-mentioned example, although the foundation rail 110 was fixed to the upper surface of the attaching part 122B with which the correction material 122 which makes a part of pile 120 is equipped, in this example, the bridging material fixed on the attaching part 122B of the pile 120 Two base rails 110 are mounted in parallel on the top surface of 150. That is, in this example, the foundation rail 110 is indirectly fixed to the pile 120 via the bridging member 150.
Here, it is important that the upper surface of the bridging member 150 is horizontal, and that two rails can be accommodated between the length of the bridging member 150 (the length in the second linear direction) in plan view. It is.
As described above, the multiple stakes 120 are ideally struck at the intersection where the two first straight lines and the multiple second straight lines intersect. However, the position of each stake 120 may be displaced in the first linear direction or in the second linear direction. When the pile 120 is displaced in the first linear direction, the straddling material 150 which is distributed to the pair of piles 120 is not orthogonal to the first straight line. Then, two rails can not be accommodated between the lengths of the bridging members 150 in plan view. When the piles 120 are displaced in the second linear direction, in particular, when the piles 120 are displaced outward from the two first straight lines, there is a possibility that the bridging material 150 can not be fixed to the one set of piles 120. Such deviation in the first linear direction and the second linear direction is absorbed by the spread of the attachment portion 122B provided in the correction member 122 forming a part of the pile 120. That is, for one set of piles 120, the bridging material 150 can be fixed at a predetermined position so as to be orthogonal to the first straight line.
Moreover, the position of the upper end of the pile main body 121 in many piles 120, ie, the length which protruded from the ground surface of the pile main body 121, may differ for every pile main body 121. FIG. Then, there is a possibility that the upper surface of the bridging member 150 which is distributed to one set of piles 120 can not keep horizontal. Also, even if the height of one set of piles 120 is equalized, the height of all piles 120 is equalized even if the upper surface of the bridging member 150 distributed to all the sets of piles 120 is horizontal. If this is not the case, the height of the horizontal upper surface of each straddling material 150 may not be uniform. In that case, if the base rail 110 fixed to the upper surface of the bridging member 150 can not maintain horizontality or is bad, the base rail 110 can not be fixed to the upper surface of the bridging member 150. Such a vertical displacement of the pile main body 121 can be absorbed by adjusting the height position of the correction member 122 with respect to the pile main body 121.
As such, two foundation rails 110 are disposed outside each of the two long sides of the target range X. Assuming that two adjacent foundation rails 110 are referred to as a set of foundation rails 110, both of the one set of foundation rails 110 are horizontal, linear, and parallel to each other.
The pillars 221 of the aggregate 220 are fixed on the set of base rails 110. What is indicated by the reference numerals of four 221A shown in FIG. 31 is a cross section of a column body 221A that constitutes one column 221. The column body 221A is, for example, a steel frame and extends in the vertical direction. Although not limited to this, in a plan view, the pillar 221A in this embodiment is located on the base rail 110 and located on the apex of a predetermined square. The pillar 221 in this case is configured by appropriately fixing, for example, a beam-like reinforcing member that constitutes a truss structure among such four vertical pillars 221A. In that case, the beam 222 is also generally configured in a truss structure as well.
The number of foundation rails 110 fixed on a large number of straddling members 150 arranged in parallel is two in the above-described example, but it may be one, or three or more as needed. It can also be done.

Then build a pile foundation for the new structure to be built by rebuilding. The new structure is a single building that will be built in coverage X, as will be explained later. Pile foundations for one building are cast-in-place piles.
The cast-in-place pile 20C that is hit here is hit only within the specific range Y that is a part of the target range X, as shown in FIG. FIG. 14 is a plan view of the target range X, but the temporary tent 200 is not shown. The specific range Y is a range covered by a gantry described later, in other words, a range located below the gantry.
With reference to FIGS. 15-19, the concrete method of striking a cast-in-place pile 20C will be described. In addition, what is necessary is just to follow the well-known or well-known technique how to hit the cast-in-place pile 20C. In addition to the driving of the cast-in-place pile 20C in the specific range Y this time, a scene of striking the cast-in-place pile 20C appears again later, but in that case as well. 15 to 18 are side views of the target range X including the underground, viewed from the direction indicated by the arrow A in FIG. FIG. 19 is a side view of the target range X including the underground, viewed from the direction indicated by the arrow indicated by B in FIG. Each of FIGS. 15 to 18 and FIG. 19 is schematic, and for the convenience of drawing, FIG. 14 lacks accuracy particularly regarding the number of cast-in-place piles 20C.
As shown in FIG. 15, first, the pile driver 300 is placed at a predetermined position on the ground surface corresponding to the position where the cast-in-place pile 20C of the specific range Y should be hit in the target range X. The pile driving machine 300 has a function of drilling a hole vertically toward the underground and a function of pouring concrete. These functions may be allocated to a plurality of devices, in which case the pile driver 300 will be composed of a plurality of devices.
Then, the pile driving machine 300 digs a hole 301 in the vertical direction. If the hole 301 interferes with the old underground portion 10B of the old structure 10 and the old pile 10C, the hole 301 is excavated toward the underground while penetrating them. The hole 301 is dug up to a position where sufficient strength is obtained to support the building in which the cast-in-place pile 20C will be built later. In general, the hole 301 is often dug up to reach a hard ground. It is also possible to make the diameter near the bottom of the hole 301 larger than the portion above it.
Then, in the hole 301, a metal cage made of generally rebar, which is not shown in the figure, is inserted into the inner wall of the hole 301. The car extends from the bottom of the hole 301 to a predetermined height. Then, liquid concrete is poured into the hole 301 from the pile driving machine 300. Concrete fills from the bottom of the hole 301 to the top of the car. The concrete hardens to form cast-in-place pile 20C (FIG. 16). The car serves as a reinforcing bar that guarantees its strength in the cast-in-place pile 20C. If the diameter near the bottom of the hole 301 is larger than that of the upper portion, the cast-in-place pile 20 becomes a bottomed pile.
Then, move the pile driver 300 to another place and drill the hole 301 as well. Then, as in the case described above, a cage is put in the hole 301, concrete is poured, and it is hardened to form a cast-in-place pile 20C (FIG. 17).
By repeating the above, as shown in FIG. 14, FIG. 18, and FIG. 19, the cast-in-place pile 20 </ b> C is hit in the entire specific range Y. In addition, although the depth (height position) of the lower end of the cast-in-place pile 20C is assumed to be uniform in this embodiment, this is not a limitation. The depth of the lower end of each cast-in-place pile 20C is determined from the viewpoint of whether each cast-in-place pile 20C has sufficient strength to support a building to be built later, as described above. Further, in this embodiment, the depth (height position) of the upper end of the cast-in-place pile 20C is assumed to be the same, but this is not the case. The depth of the upper end of each cast-in-place pile 20C is a height corresponding to the lower surface of the part where each cast-in-place pile 20C is located in the below-mentioned underground part of the building to be made later. As a result, the cast-in-place pile 20C supports the underground part of the building as a structure from below.
In the general cast-in-place pile method, when the upper end of the cast-in-place pile is underground, it is usual to backfill the portion above the cast-in-place pile, but in this embodiment Since the portion concerned is removed together with surrounding soil as described later, there is no particular need to perform such backfilling.
Also, in this example, the pile driver 300 is one, and the cast-in-place piles 20C are punched one by one. However, using a plurality of pile-driven machines 300, a plurality of cast-in-place piles 20C are simultaneously paralleled. It is of course also possible to strike at the same time. Of course, if you want to shorten the construction period, that is better.
In addition, the work of striking the cast-in-place pile 20 in the specific range Y here is performed on the ground. Such work does not necessarily have to be performed after the temporary tent 200 is completed. Before the temporary tent 200 is made, or in parallel with the work of constructing the temporary tent 200, the work of striking the cast-in-place pile 20 in the specific range Y may be performed. In particular, when the cast-in-place pile 20 is hit in the specific range Y in parallel with the work of constructing the temporary tent 200, the effect of shortening the work period is large. In addition, the specific range Y is not limited to the range under the gantry described later, and the range where it is difficult to strike the cast-in-place pile 20 as described later from the bottom of the underground space described later can be determined as the specific range Y .

The subsequent work will be described with reference to FIGS. Among these, the drawing method of FIG. 26 is similar to FIG. 14, and the drawing method of the other drawings is similar to FIG.
After hitting the cast-in-place pile 20C as described above throughout the specific range Y, the gantry 410 is then installed (FIG. 20). The gantry 410 is a platform on which heavy machinery, vehicles, and workers get on and work. The gantry 410 needs strength and width enough to do that. The gantry 410 in this embodiment is plate-like. The gantry 410 may be alone when first built, or may additionally include an upper minimal portion of the support described below. The gantry 410 covers the specific range Y described above. Although the specific range Y in this embodiment is a rectangle as shown in FIG. 14, this is not necessarily the case, and the length of the specific range Y extends over the entire length in the longitudinal direction of the target range X. There is no need. However, a part of the gantry 410 needs to be in contact with a part of the outer edge of the target range X so that a vehicle or the like can enter the gantry 410 from outside the target range X. For example, in this embodiment, it is convenient to contact the gantry 410 and the edge of the target range X in a portion where the door 241 of the temporary tent 200 is located, and this embodiment is not limited thereto. That's it.

When the gantry 410 is constructed on the ground surface, the entire target range X is dug down to form an underground space. When digging of the target range X is started, the temporary tent 200 is completed. The work performed in the temporary tent 200, including the digging of the target range X, can be continuously performed for 24 hours every day, for example, in three shifts, if the soundproof performance of the temporary tent 200 and the surrounding environment allow. Moreover, since work can be avoided in the temporary tent 200 by the temporary tent 200, so-called dry construction can also be performed. A predetermined heavy machine is used to drill down the target range X. In this embodiment, a heavy machine used to dig down the target range X is preferably, but not limited to, a plurality of bulldozers 510 (FIG. 21, FIG. 22). Other heavy equipment such as a power shovel may be used for this task.
When the bulldozer 510 digs down the entire target range X, space appears by removing the earth and sand. This is the underground space S. When forming the underground space S, if the old underground part 10B of the old structure 10 and the old pile 10C exist there, they are destroyed and removed with earth and sand. Since it is possible to remove the old structure 10B and the old pile 10C together with the earth and sand, the labor and time spent on this work are not so large. The earth and sand, the destroyed old underground portion 10B and the old pile 10C are removed from the underground space S. In this embodiment, this is done by raising soil and the like to above the gantry 410 by a well-known or well-known earth unloading machine 520 disposed at the bottom of the underground space S that has appeared. The earth and sand etc. which were pulled up on the gantry 410 by the earth unloading machine 520 are, for example, transshipped to the loading platform of the dump truck 530 loaded on the gantry 410. The dump truck 530 runs on the gantry 410, goes out from the door 241 of the temporary tent 200, and runs to throw away earth and sand in a predetermined place. In this manner, the use of the gantry 410 facilitates the work of discharging the earth and sand from the underground space S to an appropriate place outside the target range X. Such discharge of soil can also be performed not only in the daytime but also in the nighttime. Since it is generally not necessary to consider traffic congestion at night, it is possible to travel the dump truck 530 as planned on a longer distance than usual, and it is also easy to collect many dump trucks 530. , Useful for shortening construction period. If it is necessary to separate earth and sand, and the destroyed old underground part 10B and the old pile 10C, it may be easy to carry out out of the target range X, but that is not necessarily the case.
As the bottom of the underground space S is dug down, the gantry 410 naturally needs support. When digging underground space S, support body 420 is provided under gantry 410. The support 420 may have any configuration as long as it can support the gantry 410 from below. The support body 420 can be configured by appropriately combining, for example, a column and a beam. However, in order to reduce the number of cast-in-place piles 20C where it is necessary to dig and punch a deep hole, the range of the specific range Y should be narrowed. It is preferable that it exist only in the range hidden by the gantry 410. This is done in this embodiment. The lower end of the support 420 abuts, for example, the bottom of the underground space S, and as the bottom of the underground space S descends downward, the length thereof is extended downward accordingly. By doing this, the gantry 410 does not move from its originally provided position.
When constructing the underground space S, the side surface of the underground space S is, for example, vertical. The depth of the underground space S may eventually exceed, for example, 50 m, and it is conceivable that the side of the underground space S may collapse if no treatment is performed. In order to protect the worker who works in the underground space S from such a danger, in this embodiment, the side of the underground space S is reinforced by the sheet pile 430, although not limited thereto. The sheet pile 430 is configured by driving longitudinally elongated rectangular plates in parallel along the side of the underground space S. The arrow plate 430 may be a water blocking wall, or may be a SMW (Soil Mixing Wall). These are used to form a concrete plate in the ground by placing a liquid concrete in the ground and then hardening it, instead of driving the plate into the ground. For example, the lower end of the sheet pile 430 covers the entire surface of the underground space S and extends to a position deeper than the bottom of the underground space S finally formed. The force acting on the sheet pile 430 to push the sheet pile 430 inward toward the side of the underground space S from the outside works, but in order to allow the sheet pile 430 to resist that force, A known ground anchor 440 may be provided on the outside. In this embodiment, for example, as shown in FIG. The earth anchor 440 applies an outward and downward force to the sheet pile 430. The force is applied to a plurality of locations in the vertical direction of the sheet pile 430. The sheet pile 430 may be constructed before the start of the excavation of the target range X for the formation of the underground space S, and after the start of the excavation of the target range X, a stage where collapse of the side of the underground space S is not expected It may be constructed at an appropriate timing of
The earth anchors 440 are installed in order from the upper one as the underground space S is dug downward as known or known.

And underground space S is excavated to the planned depth. The depth of the bottom of the planned underground space S means the depth at which the upper end of the cast-in-place pile 20C and the height position of the cast-in-place pile 20C hit previously in the specific range Y are aligned or higher than the upper end of the cast-in-place pile 20C Is a somewhat higher depth. In this embodiment, the bottom of the underground space S has a depth at which the upper end of the cast-in-place pile 20C struck in the specific range Y and the height position thereof are aligned (FIG. 23). In addition, the depth of the bottom of underground space S does not necessarily need to be lower than the depth in which old underground part 10B and old pile 10C exist.
Next, on the bottom of the underground space S, a cast-in-place pile 20C is newly struck. The newly-placed cast-in-place pile 20C is struck in a range excluding the specific range Y of the target range X in plan view. The cast-in-place pile 20C to be hit this time is hit from the bottom of the underground space S, not from the ground surface.
In order to strike the cast-in-place pile 20C at the bottom of the underground space S, the same pile driving machine 300 as described above is lowered at the bottom of the underground space S. One or more pile hitting machines 300 may be used. The pile driver 300 is lowered from above the gantry 410 to the bottom of the underground space S, for example, by a crane 540 mounted on the gantry 410 (FIG. 24).
In this case, the method of hitting the cast-in-place pile 20C outside the specific range Y is the same as the method of hitting the cast-in-place pile 20C in the specific range Y described above. Holes 301 (FIG. 24) are dug, a cage (not shown) is placed therein, and liquid concrete is poured into the holes 301 to harden it. Thus, the cast-in-place pile 20C is hit. The cast-in-place pile 20C is struck as needed over the entire range within the target range X outside the specific range Y when the bottom of the underground space S is viewed in plan (FIGS. 25 and 26). Here, the vertical length of the hole 301 excavated to strike the cast-in-place pile 20C is shorter than the vertical length of the hole 301 excavated to strike the cast-in-placed pile 20C within the specific range Y, and When digging the hole 301, the old underground part 10B and the old pile 10C do not get in the way of digging the hole 301, or are few. Therefore, the operation of striking one cast-in-place pile 20C out of the specific range Y takes much less time than the operation of striking the one cast-in-place pile 20C within the specific range Y. Therefore, combined with the fact that the number of cast-in-place piles 20C hit outside the specified range Y is generally much greater than the number of cast-in-places piles 20C hit within the specified range Y, the cast-in-places pile 20C is The entire time required to strike will be saved a great deal.
In this embodiment, the height positions of the lower ends of the plurality of cast-in-place piles 20C that are driven out of the specific range Y are the same as the height positions of the lower ends of the plurality of cast-in-place piles 20C that are driven into the specified range Y ing. However, this is not the case for the same reason as in the case of each cast-in-place pile 20C that is struck within the specific range Y. Moreover, in this embodiment, the height positions of the upper ends of the plurality of cast-in-place piles 20C that are struck out of the specific range Y are the height positions of the upper ends of the plurality of cast-in-place piles 20C that are driven into the specified range Y The same is true. However, this is not the case for the same reason as in the case of each cast-in-place pile 20C that is struck within the specific range Y.

In this manner, the necessary cast-in-place pile 20C is struck over the entire target range X in plan view.
Once the cast-in-place pile 20C is struck, an underground part 20B, which is an underground structure of a new building, is constructed next (FIG. 27).
For example, a heavy machine mounted on a gantry 410 is used to construct the underground portion 20B. This heavy machine is, for example, a crane or a crane car. In this embodiment, the heavy machine is a crane truck 540. The underground portion 20B is moved upward from the bottom of the underground space S in order from the bottom of the underground space S by lowering a material (not shown) carried on the gantry 410 by a crane truck 540, for example, by a dump truck not shown. It will be built for the purpose. The underground portion 20B has a known or known structure such as a pillar, a wall, a floor and the like, and is divided into a plurality of floors as required. Of course, a worker may go down and perform work in the underground space S. The bottom of the underground portion 20B is supported by the upper end of the cast-in-place pile 20C. Thus, the underground portion 20B is supported by the cast-in-place pile 20C from below.
When the underground portion 20B is constructed in the underground space S, the underground portion 20B may interfere with the support 420 of the gantry 410. In that case, the support 420 that interferes with the underground portion 20B may be removed, and the removed support 420 immediately above may be fixed to the underground portion 20B. The removed support 420 can be pulled up on the gantry 410 by, for example, a crane car 540, and the support 420 pulled up on the gantry 410 can be a temporary tent 200, for example, by a dump truck not shown. You can carry it out. Also, as the underground portion 20B is constructed, the earth anchors 440 are removed in order from the lower one.
The end of the support 420 of the gantry 410 may be performed as follows. The configuration of the support 420 in this case is slightly different from that described above. The support body 420 in this case is configured of a vertically extending column, and a beam reinforcingly connecting the column and the column. First, in the same manner as in the case of hitting the cast-in-place pile 20C from the ground surface in the specific range Y, a pillar is driven from the ground surface. This operation is performed simultaneously with or before the operation of driving the cast-in-place pile 20C to the specific range Y. The lower ends of the pillars reach at least a deeper place than the bottom of the underground space S, and the support 420 extends to a depth where the gantry can be stably supported. For example, the support 420 makes the lower end and the lower end of the cast-in-place pile 20C to be struck in the specific range Y be aligned. An gantry 410 is installed on the column thus provided. Thereafter, as described above, the target range X is dug downward and the underground space S is formed. When digging underground space S, the above-mentioned pillar which is a part of support body 420 is gradually exposed from the upper side. As the length of the exposed column gets longer, the strength of the column becomes uneasy. Therefore, the beam is appropriately fixed to the exposed column. This work is appropriately carried out while digging underground space S, and a sufficient number of beams are provided on the pillars. As a result, the gantry 410 and the support 420 existing in the underground space S are the same as those shown in FIGS. 24 and 25 except that the lower ends of the columns extend below the bottom of the underground space S. .
Also in this case, as described above, in the underground space S, the underground portion 20B is constructed upward from below. In this case, support 420 of gantry 410 that interferes with underground portion 20B is not removed. Even if the gantry support 420 is present, the underground portion 20B is constructed regardless of it. The underground part, in a very rough sense, is made of steel, cast and hardened concrete and the like. The support 420 is prefabricated at a position not interfering with the steel frame, and partially embedded in the concrete. In the underground portion 20B, for example, there are a corridor and a space to become a living room, a part of the support 420 is embedded in the underground portion 20B, and the rest of the support 420 is exposed in the space become. Then, at any timing, for example, at an appropriate timing after the underground portion 20B is completed, the portion of the support 420 embedded in the underground portion 20B is exposed as it is to the space in the underground portion 20B. Remove only the part you are doing. Then, the cross sections of the pillars and beams of the support 420 are exposed on the wall, ceiling, etc. of the underground portion 20B. If the cross section of such an exposed column or beam is aesthetically problematic, the problem of aesthetics can be resolved by painting over it or putting a wallpaper on it. It is also possible to clean up the gantry 410 and the support 420 in this way.
The work is performed as described above, and the underground portion 20B is completed in the underground space S (FIG. 28). From the start of the formation of the underground space S, all the work up to this point is performed in the temporary tent 200.

When the underground portion 20B is completed, the temporary tent 200 is removed. Moreover, if the sheet pile 430 became unnecessary by backfilling the space between the sheet pile 430 and the underground part 20B, the sheet pile 430 may be removed. The sheet pile 430 may be left. Also, if the sheet pile 430 becomes unnecessary by backfilling the space between the sheet pile 430 and the underground portion 20B, the sheet pile 430 and the earth anchor 440 may be removed. The foundation rail 110 and the prefabricated pile 120 may be removed together with the temporary tent 200.
The removal of the temporary tent 200 or the like may be performed according to a known method or a known technique.
Once the temporary tent 200 and other unnecessary things are removed, the ground part (not shown) of the structure is built. The ground part of the structure can be constructed by the same method as the conventional method.
The above-ground portion may be performed using, for example, a tower crane 550 provided on a base 20D for a tower crane, which is constructed on the underground portion 20B before and after removal of the temporary tent 200. The tower crane 550 may be of a mast climbing type, but may of course be of a floor climbing type. The ground part extends upward and is eventually completed.
The completion of the underground and above-ground parts will complete the new building. This completes the rebuilding of the building.

DESCRIPTION OF SYMBOLS 10 old structure 10A old ground part 10B old underground part 10C old pile 20B underground part 20C cast-in-place pile 20D foundation 110 foundation rail 120 pile 121 pile main body 121A anchor body 122 correction material 122A tube part 122A1 mounting groove 122A attachment groove 123A bolt 123B Nuts 123C Washers 200 Temporary tents 210 Divided tents 220 Aggregates 221 Pillars 222 Beams 230 Seats 300 Pile driver 301 Holes 410 Frames 420 Support bodies 430 Sheet piles 440 Ground anchors 510 Bulldozers 520 Detonators 530 Tippers 540 Trucks 550 Tower cranes S Underground space X Target range Y Specific range

Claims (9)

A pile driven into the ground to support rails laid horizontally and straightly at a predetermined distance,
A pile body which is a prefabricated pile to be driven to the surface,
The upper end of the pile main body is configured to be fixable in a state positioned at an arbitrary position in the length direction of the pile main body, and the upper end bite in all directions from the pile main body in plan view A compensating material having a mounting portion having a flat surface on which the rail perpendicular to the longitudinal direction of the pile main body is attached with it being fixed to the pile main body;
Equipped with
The correction material includes a guided portion that allows the correction material to be translated relative to the pile main body while being guided by the pile main body near the upper end of the pile main body,
The pile body has a cylindrical shape,
The guided portion in the correction member corresponds to the outer surface of the pile main body and is guided to the inner surface of the pile main body or to the inner surface of the pile main body and is guided to the inner surface of the pile main body A cylindrical shape with an outer surface
Pile. The mounting portion is a disk or a doughnut-shaped plate, and when the correction material is fixed to the pile main body, the center of the mounting portion, which is a disk or a doughnut-shaped plate, is an axis of the pile main body It is supposed to be located at the top,
The pile according to claim 1. The correction material and the pile main body are made of mutually weldable materials, and the correction material is fixed to the pile main body by welding.
The pile according to claim 1. A predetermined member is attached to the attaching portion, and the rail is attached to the attaching portion via the predetermined member.
The pile according to claim 1. Rails that are laid horizontally and in a straight line,
A plurality of pile bodies which are ready-made piles that are driven into the ground at predetermined intervals at predetermined intervals so as to lie on a straight line parallel to the straight line;
While being able to be fixed in a state of being positioned at an arbitrary position in the length direction of the pile main body attached to the upper end of each of the pile main bodies, it is possible to fix all of the pile main bodies A plurality of compensators having a mounting portion having a flat surface on which the rail perpendicular to the longitudinal direction of the pile main body is attached, the mounting member protruding in the direction;
Equipped with
The correction material includes a guided portion that allows the correction material to be translated relative to the pile main body while being guided by the pile main body near the upper end of the pile main body,
The correction material includes a guided portion that allows the correction material to be translated relative to the pile main body while being guided by the pile main body in the vicinity of the upper end of the pile main body.
The pile body has a cylindrical shape,
The guided portion in the correction member corresponds to the outer surface of the pile main body and is guided to the inner surface of the pile main body or to the inner surface of the pile main body and is guided to the inner surface of the pile main body A cylindrical shape with an outer surface,
A plurality of riding on the straight line parallel to the straight line by appropriately positioning the fixed correction material on the pile main body with respect to the pile main body in the longitudinal direction using the pile main body and the guided portion The heights of the planes of the mountings attached to all of the pile bodies are aligned,
The rail is attached to each of the planes of the plurality of attachment portions, whereby the rail is supported from below by the plurality of pile bodies and the correction member,
Rail structure. A predetermined member is attached to the attaching portion, and the rail is attached to the attaching portion via the predetermined member.
The rail structure according to claim 5. The pile main body is at an intersection point of orthogonal lines which are a plurality of straight lines of a predetermined interval orthogonal to the two straight lines on two straight lines of a predetermined interval parallel to a straight line on which the rail rides While being driven in,
When the two piles hit so as to get on the same one of the plurality of orthogonal lines in the pile main body are used as a set of pile main bodies, the mounting portion of the set of piles The vicinity of both ends of a bridging material having a plane whose upper surface is a horizontal surface is fixed, and the rail is fixed to the upper surface of the bridging material, so that the rail is fixed to the pile main body via the bridging material. Fixed to the attached mounting portion,
The rail structure according to claim 5. Two rails parallel to each other are fixed to the flat surface of the bridging member,
The rail structure according to claim 7. A compensating material that is used in combination with a pile body that is a prefabricated pile that is driven to the ground surface to support rails that are laid horizontally and linearly at predetermined intervals, and that is a cylindrical body,
The upper end of the pile main body is configured to be fixable in a state positioned at an arbitrary position in the length direction of the pile main body, and at the upper end, it is eaten in all directions from the pile main body at least in plan view. An attachment portion having a flat surface to which the rail perpendicular to the longitudinal direction of the pile body is attached with the protrusion being fixed to the pile body;
A guided portion that allows the correction material to be moved parallel to the pile main body while being guided by the pile main body in the vicinity of the upper end of the pile main body;
Equipped with
Correction material.

Images