JPH07243221A - Construction method for structure having basement - Google Patents

Abstract

PURPOSE:To improve work efficiency by moving a temporary support in a vertical direction through a temporary beam assembly, and sequentially constructing a permanent support and a beam at each floor by using a crane laid on the underside of the beam assembly. CONSTITUTION:One set 2a of temporary supports is moved downward, relative to a temporary beam assembly 1 with a lift-up device 4, and the assembly 1 is elevated to a level corresponding to the fourth floor. Then, a permanent support is lifted with a crane 5 installed on the lower side of the assembly 1 and fixed to the top of a structural stud 3. Thereafter, the other set 2b of temporary supports is moved downward and the lower end thereof is kept in contact with the forward end of the support, while the set 2a is lifted. Then, the support is erected with the crane 5 and a beam 8 for the second floor is laid under the assembly 1. Thereafter, the assembly 1 is elevated to a level corresponding to the fifth floor. Furthermore, the underground is excavated with a crane laid under a beam 8, a bucket, an excavation device 11 or the like for constructing the skeleton of a basement, and the assembly 1 is elevated to construct an upper floor skeleton.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a structure having an underground structure, and more particularly to a method for constructing a structure having an underground structure by simultaneously constructing the structure above and below the structure with a crane for building a building.

[0002]

2. Description of the Related Art Conventionally, in the construction of various structures such as middle and high-rise buildings having a basement floor, the ground floor is constructed after the construction work of the basement floor is completed. Further, it has been proposed that the underground construction and the construction of the above-ground floor are performed at the same time for the purpose of shortening the construction time, but the all-weather mechanized construction is conventionally carried out only in the above-ground portion.

[0003]

However, the work efficiency of the ground excavation work and the construction of the underground skeleton is easily influenced by the weather, and in the case of heavy rain, it may be difficult to process the rainwater flowing from the surrounding ground. there were. In addition, if there is no site left on the outer periphery of the structure, such as an urban area, or if the underground area itself is large, it is necessary to install a temporary boarding gantry inside it and perform underground excavation work and underground structure work. However, it was difficult to vertically lift materials for excavation and building work directly under the gantry. Moreover, due to the small underground work space, the simultaneous construction of underground and above-ground structures, which has been seen in the conventional counter-strike or 1F floor slab advance strike, may not always achieve the expected shortening of the construction period.

The present invention is intended to eliminate the above-mentioned drawbacks by carrying out underground construction in a spacious all-weather working space without a pedestal.

[0005]

The construction method of a structure with an underground of the present invention comprises a first step of temporarily installing a beam assembly on the ground,
The second step of arranging the temporary support columns vertically above and below the temporary beam set so as to be vertically movable, and the temporary beam set relative to one of the temporary support columns. A third step of lifting up together with the other set of the temporary columns, and utilizing the space generated below the other set of the temporary columns due to the rise of the temporary beam set to the lower surface of the temporary beam set. A fourth step of arranging a building construction crane, setting up a main strut using this building construction crane, and also constructing a beam in the space formed below the temporary beam assembly, A fifth step of lowering the other set of the temporary support columns relative to the temporary beam set onto the main support column installed above, and one set of the temporary support columns relative to the temporary beam set. And raise the above-mentioned temporary beam assembly to the above-mentioned temporary beam assembly. The sixth step of lifting up relatively to the other set of columns, and the main construction using the building construction crane in the space created below one set of the temporary columns by the rise of the temporary beam set. A temporary beam assembly after the pillars are installed and also a beam is erected in the space formed below the temporary beam assembly and the third step to the seventh step are sequentially repeated. And an eighth step of dismantling the pillars, and another crane for building construction is placed on the lower surface of the beam formed in the fourth to seventh steps, and for the construction of the other building during the subsequent steps. It consists of underground excavation by a crane and the ninth step of erection of underground beams.

A temporary cover is formed on the upper part of the temporary beam assembly.

A crane for disassembling the temporary beam assembly is mounted on the temporary beam assembly.

Further, in the construction method for a structure with a certain underground of the present invention, the first step of temporarily installing the beam set on the ground, and the temporary support column is pierced through the temporary beam set relatively to the temporary beam set. And a second step of vertically moving together, and a third step of lifting up the temporary beam set together with the other set of the temporary support columns relative to one set of the temporary support columns, and the temporary installation. The building construction crane is placed on the lower surface of the above-mentioned temporary beam assembly by utilizing the space created below the other of the above-mentioned temporary construction pillars, and this building construction crane is used to construct the main installation pillar. In the same manner as the above, the fourth step of installing the beam in the space formed below the temporary beam assembly and arranging another building construction crane on the underside of the beam. Underground excavation by a crane and erection of underground beams And a sixth step of lowering the other set of the temporary support columns onto the main support column installed in the fourth step relative to the temporary beam assembly, and one set of the temporary support columns. While raising the above-mentioned temporary beam set relative to the above-mentioned temporary beam set, and lifting up the above-mentioned temporary beam set relatively to the other set of the above-mentioned temporary support columns; While installing the main construction pillar using the building construction crane in the space created below one of the temporary pillar pairs due to the rise of the beam pillar, the beams are also installed in the space formed below the temporary pillar assembly. No. 8 and the ninth step of disassembling the temporary beam assembly and the post after repeating the above third, fourth, sixth to eighth steps in sequence.

The construction of the beams of each layer of the underground is carried out sequentially from the first basement floor to the lower layers.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a temporary beam assembly 2a, ..., 2b. A plurality of temporary columns, the number of which is the same as the number of main columns, freely set.
, Are true columns installed on the foundation to support the lower ends of these temporary columns 2a ..., 2b.
, 2b, so as to move vertically through the temporary beam assembly 1 relative to the temporary beam assembly 1
A lift-up device fixed to the position of the pillar of the building is constructed in the present invention by constructing a mountain retaining wall (not shown) using an excavator (not shown) such as a multi-axis auger in the ground. Then, the structure pillar 3 is built on the site construction pile 3a, and the temporary beam assembly 1 is installed on the upper part of the structure pillar 3 as a scaffold.

When the temporary beam assembly 1 is on the ground, the first
At the stage of, one set 2a ...
Only the temporary beam assembly 1 by the lift-up device 4
And move them downward at the same time, and as a result,
The temporary beam assembly 1 is relatively elevated to the one set 2a of the above-mentioned temporary support columns so as to be elevated from the ground to the height of the fourth floor as shown in FIG.

As a result, as shown in FIG. 2, the other set 2b of the temporary columns moves upward together with the temporary beam set 1, so that the temporary working beam set 1 is lifted and the construction work space is provided below the temporary beam set 1. Therefore, the building construction crane 5 for lifting the members is attached to the lower surface of the temporary beam assembly 1 via the rails 6, and the other set 2b of the temporary support pillars that has not been moved downward. The main building support pillar 7 on the ground is lifted by the building construction crane 5 into the main building support pillar construction space as shown in FIG. 2 formed between the lower end and the corresponding upper surface of the true structure pillar 3. As shown in FIG. 3, the main support columns 7 are fixed on the above-mentioned structure columns 3 by welding.

Next, in a second step, the other set 2b of the temporary columns is moved downward by the lift-up device 4 relative to the temporary beam set 1 as shown in FIG. The lower end of the other set 2b ... Of the temporary columns is brought into contact with the tip of the main column 7 already fixed.

Further, during the above operation, one set 2a of the temporary columns is lifted by the lift-up device 4 to secure a space for constructing the main columns below as shown in FIG. Thereafter, as in the above case, the main construction columns 7 are installed in this space by the building construction crane 5, and further the second floor beam 8 is constructed below the temporary beam assembly 1. When the lift-up device 4 is further operated, the reaction force causes the temporary beam assembly 1 to rise to the height of the fifth floor as shown in FIG.

Next, in the present invention, as shown in FIG. 6, a rail 10 is attached below the beam 8 formed in the above-mentioned step, and another building construction crane or bucket is mounted on the rail 10 by the building construction crane 5. Or excavator 11
Etc.

After installing the building construction crane, etc.,
As a result, as shown in Fig. 7 to Fig. 9, excavation underground and excavated soil discharge are installed at predetermined positions with earth retaining supports such as beams, and while continuing to prevent excavation of the structure columns 3, the bottom floor Excavate to the place where
The beam on the bottom floor will be erected by, and the beam will be erected from the lower floor to the upper floor in order to complete the skeleton construction on the basement floor.

During this period, the lift-up device 4 is on the ground.
The temporary beam assembly 1 is lifted to the upper floors by the reaction force, and the first step operation and the second step operation are repeatedly performed below, and the construction of the top floor is performed while building the beams. Try to do it.

Incidentally, other building construction cranes, etc. 11
May be provided on the beams on the fourth and higher floors, and as a measure against rain, it is preferable to install a temporary cover 9 for covering the construction work space.

In another embodiment of the present invention, as shown in FIG. 9, a dismantling crane 12 is preliminarily mounted on the temporary beam assembly 1, and after the construction up to the top floor is completed, the dismantling crane 12 is used. Enable to dismantle and remove the temporary part on the top floor.

In another embodiment of the present invention, instead of the sequential driving method of digging a beam after digging up to the lowest floor, digging is performed from the first basement floor to a lower floor in order. Adopt the reverse construction method.

In another embodiment of the present invention, the construction work of the above ground floor of the third floor or more is carried out after the construction work of the basement floor is completed by the above-mentioned other building construction crane or the like.

Further, the construction period can be shortened by providing a plurality of the building construction cranes and the like to share the work.

The lift-up device 4 used in the method for constructing a certain underground structure of the present invention is, for example, a pin formed on the temporary columns 2a ..., 2b. A receiving hole, a hydraulic cylinder fixed to the temporary beam assembly 1, a lower annular beam fixed to the hydraulic cylinder, an upper annular beam fixed to a piston rod projecting upward from the hydraulic cylinder, and the lower and upper annular members. Composed of a pin cylinder provided on the beam,
With the piston rod extended to the maximum extent, a pin is inserted from the pin cylinder of the upper annular beam into the pin receiving hole of the temporary column that matches the pin cylinder, and the pin cylinder of the lower annular beam is operated to temporarily install the pin. It is pulled out from the pin receiving hole of the column, and the hydraulic cylinder is operated to raise the hydraulic cylinder and the lower annular beam together with the temporary beam set 1 to the temporary column, and at this position, the pin cylinder of the lower annular beam. To insert the pin into the corresponding pin receiving hole of the temporary support column, operate the pin cylinder of the upper annular beam to remove the pin from the pin receiving hole of the temporary support column, and operate the hydraulic cylinder again. The piston rod is extended to the maximum and the upper annular beam is pushed up, and in this state, insert the pin from the pin cylinder of the upper annular beam into the pin receiving hole of the above-mentioned temporary strut which matches It shall be allowed to increase the beam pairs 1 below relatively temporary such operations repeated temporary supports.

[0025]

As described above, according to the method for constructing a structure with an underground structure of the present invention, even if a plurality of aboveground crane installation spaces cannot be secured in an urban area or the like, there is no obstacle to the construction of the structure. Moreover, since the construction on the ground floor and the construction on the basement floor can be performed independently, the construction time can be shortened. In addition, since all construction on the ground floor is done with temporary materials, the construction can be automated and labor-saving.

Further, conventionally, since a boarding gantry is formed on the ground and a lifting machine such as a clam shell for digging is placed on the ground for excavation work, it is difficult or impossible to work the bottom surface of the boarding gantry. However, according to the present invention, there is no such drawbacks, and the ground floor serves as a roof, so it becomes all-weather work,
There are various benefits such as improved work efficiency.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a construction method for a structure with an underground of the present invention.

FIG. 2 is an explanatory diagram of a method of constructing a structure with an underground of the present invention.

FIG. 3 is an explanatory diagram of a method of constructing a structure with an underground according to the present invention.

FIG. 4 is an explanatory diagram of a method for constructing a structure with an underground according to the present invention.

FIG. 5 is an explanatory diagram of a method for constructing a structure with an underground according to the present invention.

FIG. 6 is an explanatory view of a method for constructing a structure with an underground according to the present invention.

FIG. 7 is an explanatory diagram of a method of constructing a structure with an underground according to the present invention.

FIG. 8 is an explanatory diagram of a method for constructing a structure with an underground of the present invention.

FIG. 9 is an explanatory view of a removed state of the temporary uppermost floor portion of the structure completed by the construction method of the underground structure of the present invention.

[Explanation of symbols]

1 Beam assembly 2a Temporary support pillar 2b Temporary support pillar 3 Structure true pillar 3a Site construction pile 4 Lift-up device 5 Building crane 6 Rail 7 Main support pillar 8 Beam 9 Temporary cover 10 Rail 11 Other building construction crane, bucket or excavation Equipment 12 Crane for dismantling

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takeo Kanakawa 1-11-25 Higashiooi, Shinagawa-ku, Tokyo Inside the Technical Research Institute, Goyo Construction Co., Ltd. (72) Shoichi Hashiguchi 2-chome Koraku, Bunkyo-ku, Tokyo No. 8 In Goyo Construction Co., Ltd. (72) Inventor Yukisa Okina 2-8 Koraku, Bunkyo-ku, Tokyo No. 8 In Goyo Construction Co., Ltd. (72) Inventor Minoru Tanaka 1-chome, Higashi Oi, Shinagawa-ku, Tokyo No. 11-25 Goyo Construction Co., Ltd. Technical Research Laboratory (72) Inventor Masashi Takahashi 1-11-25 Higashiooi, Shinagawa-ku, Tokyo Goyo Construction Co., Ltd. Technical Research Center

Claims (5)

[Claims] 1. A first step of temporarily installing a beam assembly on the ground, and a second step of arranging a temporary support post vertically through the temporary beam assembly relative to the temporary beam assembly. A third step of lifting up the temporary beam set together with the other set of the temporary support columns relative to one set of the temporary support columns, and the other set of the temporary support columns by raising the temporary beam set. Using the space generated below the building, a building construction crane is placed on the lower surface of the temporary beam assembly, and the building construction crane is used to install the main construction column, and also below the temporary beam assembly. A fourth step of constructing a beam in the space formed in the above, and a fifth step of lowering the other set of the temporary support columns onto the main support column installed above the relative support of the temporary beam set. And one of the temporary support columns is relatively attached to the temporary beam set. The sixth step of raising the temporary beam set relative to the other set of the temporary support columns while raising the temporary beam set to the lower side of the one set of the temporary support columns by raising the temporary beam set. A seventh step of installing the main pillars in the generated space using the building construction crane and also constructing the beams in the space formed below the temporary beam assembly, and the third to After repeating each of the 7th steps in sequence, the 8th step of dismantling the temporary beam assembly and columns, and placing another building construction crane on the underside of the beams formed in the 4th to 7th steps. During the subsequent steps, the underground construction is performed by the other building construction crane and the ninth step of constructing the beams of each underground layer is constructed. Construction method. 2. The method for constructing an underground structure according to claim 1, wherein a temporary cover is formed on an upper portion of the temporary beam assembly. 3. The method for constructing an underground structure according to claim 1, further comprising the step of mounting a crane for disassembling the temporary beam assembly on the temporary beam assembly. 4. A first step of temporarily installing a beam assembly on the ground, and a second step of arranging a temporary support column vertically through the temporary beam assembly relative to the temporary beam assembly. A third step of lifting up the temporary beam set together with the other set of the temporary support columns relative to one set of the temporary support columns, and the other set of the temporary support columns by raising the temporary beam set. Using the space generated below the building, a building construction crane is placed on the lower surface of the temporary beam assembly, and the building construction crane is used to install the main construction column, and also below the temporary beam assembly. The fourth step of constructing a beam in the space formed in the above, and another building construction crane is placed on the lower surface of the beam, and this building construction crane is used for underground excavation and The fifth step of building and the other set of the temporary support The sixth step of lowering the beam to the main beam installed on the permanent pillar installed in the fourth step, and one set of the temporary pillars relative to the temporary beam group. The seventh step of raising the above-mentioned temporary beam set to the other set of the above-mentioned temporary support columns while raising the above-mentioned temporary beam set, and the one step of one of the above-mentioned temporary support columns by raising the above-mentioned temporary beam set. The eighth step of installing the main pillars in the space generated below by using the building construction crane and also constructing the beams in the space formed below the temporary beam assembly; A construction method for a structure with an underground, comprising a ninth step of disassembling a temporary beam assembly and columns after sequentially repeating the third, fourth, and sixth to eighth steps. 5. Construction of an underground structure according to claim 1, 2, 3 or 4, wherein the beams of each layer of the underground are constructed toward the lower layers from the first basement floor in order. Construction method.