CN113404057A - Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft - Google Patents
Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft Download PDFInfo
- Publication number
- CN113404057A CN113404057A CN202110809161.5A CN202110809161A CN113404057A CN 113404057 A CN113404057 A CN 113404057A CN 202110809161 A CN202110809161 A CN 202110809161A CN 113404057 A CN113404057 A CN 113404057A
- Authority
- CN
- China
- Prior art keywords
- foundation pit
- side wall
- template
- shaping template
- elevator shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The application relates to an integral pouring structure and a construction method for a foundation pit side wall cushion layer of an elevator shaft. The integral pouring structure for the side wall cushion of the elevator shaft foundation pit comprises a shaping template and a connecting positioning piece; the shaping template is arranged in the foundation pit, and a pouring space is formed between the shaping template and the foundation pit; the connecting positioning piece is arranged in the pouring space, one side of the connecting positioning piece is provided with a mounting hole, and a first connecting rod is detachably connected in the mounting hole; the free end of the first connecting rod passes through the inserting through hole formed in the side wall of the shaping template and is exposed out of the inner side of the shaping template. The construction method for integrally pouring the side wall cushion of the elevator shaft foundation pit comprises the steps of foundation pit excavation, connecting and positioning piece installation, forming template manufacturing and installation, concrete pouring, template dismantling and the like. This application has realized the location of typical forms and its be connected with the foundation ditch. When the shaping template is disassembled, the connection between the shaping template and the foundation pit can be released only by pulling out the first connecting rod; the removal of the shaping template is convenient, and the shaping template is not required to be damaged.
Description
Technical Field
The application relates to the field of elevator shaft construction, in particular to an elevator shaft foundation pit side wall cushion layer integral pouring structure and a construction method.
Background
Along with the increasingly rapid urbanization process of China, more and more high-rise buildings are built. Since elevators are generally required to be installed in buildings having seven or more floors, the assembly rate of elevators is increasing. In elevator assembly engineering, the construction of a foundation pit of an elevator shaft is an important link; the key of the construction of the elevator shaft foundation pit is the construction of the side wall cushion layer of the elevator shaft foundation pit.
For the construction of the foundation pit side wall cushion layer, a common clay brick wall is usually built at the foundation pit side wall, and the cushion layer is arranged in a plastering mode on the brick wall. However, the construction method is convenient to construct, but the obtained cushion layer can not meet the requirement of design strength, and the quality can not be ensured; but also has long construction period, high construction cost and poor safety.
In order to overcome the above disadvantages, in the related art, a cushion layer is manufactured by a construction method of a sizing template. Namely, manufacturing a cylindrical template with the shape matched with the foundation pit by adopting a batten and placing the cylindrical template into the foundation pit; each side wall of the cylindrical template is in one-to-one correspondence and parallel with the side wall of the foundation pit, and the distance from each side wall of the template to the corresponding side wall of the foundation pit is equal, so that a square pouring space is formed between the foundation pit and the shaping template; and then pouring concrete into the pouring space, removing the template after initial setting of the concrete, and curing the concrete to obtain the side wall cushion layer.
When the concrete is poured, the shaping template can be displaced under the action of the concrete; therefore, the fixing of the sizing die plate is required. In the related art, the fixing template is fixed in a manner that reinforcing steel bars penetrate through the side wall of the fixing template and further penetrate through the pouring space to be inserted into the side wall of the foundation pit. However, when the sizing template is removed, the sizing template is damaged, so that the cyclic utilization rate of the sizing template is reduced; or the reinforcing steel bars need to be cut off or pulled out, which wastes time and labor and reduces the removal efficiency of the shaping template.
Disclosure of Invention
In order to rapidly and laborsavingly remove the forming template and not to heavily destroy the forming template, the application provides an elevator shaft foundation pit side wall cushion layer integral casting structure and a construction method.
First aspect, the application provides a whole pouring structure of elevartor shaft foundation ditch lateral wall bed course adopts following technical scheme:
the integral pouring structure for the side wall cushion of the elevator shaft foundation pit comprises a shaping template and a connecting positioning piece;
the shaping template is arranged in the foundation pit and is of a cylindrical structure, and each side wall of the shaping template corresponds to and is parallel to each side wall of the foundation pit one by one; a pouring space is formed between the shaping template and the foundation pit; the connecting and positioning piece is arranged in the pouring space, and two opposite sides of the connecting and positioning piece are respectively connected to the side wall of the shaping template and the side wall of the foundation pit;
a mounting hole is formed in one side, fixed with the side wall of the sizing template, of the connecting positioning piece, and a first connecting rod is detachably connected in the mounting hole; the free end of the first connecting rod passes through the inserting through hole formed in the side wall of the shaping template and is exposed out of the inner side of the shaping template.
Through adopting above-mentioned technical scheme, the cooperation of connecting setting element and head rod can fix a position the typical forms, can effectively realize being connected of typical forms and foundation ditch lateral wall to the aversion of typical forms in concrete placement has been reduced. Meanwhile, when the setting template is disassembled, the first connecting rod is disassembled from the mounting hole of the connecting positioning piece and pulled out, and the connection between the setting template and the foundation pit can be released, so that the setting template can be disassembled quickly and laborsavingly without causing great damage to the setting template, and the setting template can be reused conveniently.
Optionally, the mounting hole and the first connecting rod are connected by a threaded connection or an interference fit.
Optionally, a second connecting rod is arranged at one end of the connecting and positioning part fixed with the side wall of the foundation pit, and the free end of the second connecting rod is inserted into the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, insert the foundation ditch lateral wall through the second connecting rod and can realize connecting that setting element and foundation ditch are connected fixedly, easy operation, construction convenience.
Optionally, the connecting and positioning piece is a concrete block and is in a cuboid shape.
Through adopting above-mentioned technical scheme, adopt the concrete material, can make the concrete that connects the setting element and follow-up pouring can better integrate into one body.
Optionally, the pouring device further comprises a sealing plate, wherein the sealing plate seals an opening of the pouring space, and a working hole is formed in the sealing plate.
Through adopting above-mentioned technical scheme, can pour the concrete in the space to pouring through the work hole, also can vibrate the concrete in the space of pouring through work hole insertion type tamper.
Optionally, the sealing plate is further provided with sealing plugs for sealing the working holes, and the sealing plugs correspond to the working holes one to one.
By adopting the technical scheme, the working hole is sealed by the sealing plug, so that the pouring space can become a relatively closed space; therefore, due to the air pressure, the tendency that the upper concrete with larger gravitational potential energy sinks downwards is reduced, the extrusion of the upper concrete to the lower concrete is reduced, and the uniformity and the mechanical property of the formed side wall cushion layer are improved. Meanwhile, the extrusion of the upper concrete to the lower concrete is reduced, and the pressure born by the lower part of the side wall of the sizing template is reduced, so that the protection of the sizing template is improved, and the possibility of deformation of the sizing template part is reduced.
Optionally, the forming die further comprises a plurality of reinforcing ribs which are arranged at the lower parts of the inner surfaces of the side walls of the forming die plate.
By adopting the technical scheme, the lower part of the shaping template bearing the maximum pressure can be further protected, and the deformation of the shaping template can be reduced.
Optionally, the forming die further comprises a die plate reinforcing member arranged in the forming die plate.
By adopting the technical scheme, the structural strength of the shaping template is improved, and smooth concrete pouring is facilitated.
Optionally, the formwork reinforcement is a frame structure which is formed by a plurality of support rods and connected with the inner surface of the side wall of the sizing formwork.
In a second aspect, the application provides a construction method for integrally pouring a side wall cushion layer of an elevator shaft foundation pit, which adopts the following technical scheme:
the construction method for integrally pouring the elevator shaft foundation pit side wall cushion layer is completed by adopting the elevator shaft foundation pit side wall cushion layer integrally pouring structure, and comprises the following steps:
excavating a foundation pit at a specified position and paving a pit bottom cushion layer;
installing a connecting positioning piece with an installation hole on the side wall of the foundation pit, wherein the installation hole faces to the inner side of the foundation pit;
manufacturing a shaping template and arranging a splicing through hole corresponding to the mounting hole;
placing the shaping template in the foundation pit, wherein the side wall of the shaping template props against the connecting positioning piece, and the mounting hole is communicated with the inserting through hole; inserting the first connecting rod into the inserting through hole and extending into the mounting hole to realize the positioning and fixing of the shaping template;
pouring concrete into a pouring space formed between the shaping template and the foundation pit and vibrating;
the first connecting rod is disassembled and is pulled out from the mounting hole and the inserting through hole; and removing the shaping template and curing the concrete to form a cushion layer on the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, the head rod links together design template and foundation ditch through passing grafting through-hole and mounting hole, when having reduced concreting, because the extrusion and the buoyancy of concrete cause the problem that design template shifted. When the sizing template is removed, the first connecting rod is detached from the mounting hole and pulled out, so that the connection between the sizing template and the foundation pit can be released, the sizing template is conveniently removed, and the sizing template cannot be seriously damaged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. this application can effectively realize location and fixed to the typical forms through the setting of connecting setting element and head rod, makes the typical forms stable the setting in the foundation ditch, has reduced the aversion of typical forms in concrete placement, has improved the quality of gained foundation ditch side wall bed course. When the shaping template is disassembled, the connection between the shaping template and the foundation pit can be released only by pulling the first connecting rod out of the mounting hole and the inserting through hole; the method is favorable for quick and labor-saving removal of the setting template, improves the removal efficiency of the setting template, does not need to greatly damage the setting template during removal, and improves the reuse ratio of the setting template.
2. The connecting and positioning piece adopts the material of concrete, and the concrete that is favorable to connecting and positioning piece and follow-up pouring can better be integrated into one body.
3. This application sets up the closing plate and sets up the working hole on the closing plate and be used for sealing the sealing plug of working hole, can make the space of pouring form a relative confined space to be favorable to reducing the great upper portion concrete of gravitational potential energy the trend of sinking and the extrusion to the lower part concrete, and then be favorable to improving the homogeneity and the mechanics of the lateral wall bed course that forms. And the arrangement can also reduce the pressure born by the lower part of the shaping template, and is beneficial to improving the protection of the shaping template.
4. The strengthening rib is arranged to this application and is favorable to further strengthening the lower part that stock form bore pressure the biggest, reduces the emergence of this part deformation.
5. This application can improve the structural strength of typical forms through the setting of template reinforcement, guarantees going on smoothly of concreting.
Drawings
Fig. 1 is a schematic cross-sectional view of a foundation pit side wall cushion monolithic casting structure in embodiment 1 of the present application.
Fig. 2 is an exploded schematic view of the foundation pit side wall cushion monolithic casting structure in embodiment 1 of the present application.
Fig. 3 is a schematic connection diagram of the connection positioning member and the two connection rods according to embodiment 1 of the present application.
Fig. 4 is a schematic connection diagram of the connection positioning member and the two connection rods according to embodiment 2 of the present application.
Description of reference numerals: 1. shaping the template; 11. inserting through holes; 2. connecting a positioning piece; 21. mounting holes; 211. a threaded sleeve; 212. a copper sleeve; 22. a first connecting rod; 23. a second connecting rod; 3. pouring a space; 4. a sealing plate; 41. a working hole; 42. a sealing plug; 5. reinforcing ribs; 6. a form stiffener; 61. a first support bar; 62. a second support bar; 7. and (6) foundation pit.
Detailed Description
In the related technology, a sizing template is adopted to manufacture a cushion layer on the side wall of the elevator shaft foundation pit; in order to reduce the displacement of the sizing template during concrete pouring, the sizing template and the foundation pit are connected together by adopting a method of serially connecting reinforcing steel bars. However, this does not facilitate the removal of the formwork at a later stage. The applicant believes, through intensive research: the connecting positioning piece with two ends respectively provided with the connecting rods can be arranged between the side wall of the shaping template and the side wall of the foundation pit, the connecting rod at one end of the connecting positioning piece is inserted into the side wall of the foundation pit, and the connecting rod at the other end can be detached and passes through the side wall of the shaping template to be exposed on the inner side of the shaping template. Therefore, the connection between the shaping template and the foundation pit is realized; meanwhile, when the shaping template is detached, the detachable connecting rod is only required to be pulled out, so that the connection between the shaping template and the foundation pit can be conveniently removed, the shaping template is convenient to remove under the condition that the shaping template is not damaged, time and labor are saved, and the efficiency of removing the shaping template is improved. The present application has been made on this basis.
The present application is described in further detail below with reference to figures 1-4.
Example 1
The embodiment of the application discloses elevator shaft foundation ditch lateral wall bed course integral casting structure. Referring to fig. 1 and 2, the integral casting structure for the sidewall cushion of the elevator shaft foundation pit comprises a sizing template 1, a connecting positioning piece 2, a sealing plate 4, a reinforcing rib 5 and a template reinforcing piece 6.
Referring to fig. 1 and 2, the sizing form 1 is made of a batten and is located at the center in the foundation pit 7. The foundation pit 7 is a square pit, the shaping template 1 is in a rectangular cylindrical structure, and each side wall of the shaping template corresponds to and is parallel to each side wall of the foundation pit 7 one by one; the distance from each side wall of the shaping template 1 to the corresponding side wall of the foundation pit 7 is 100 mm. A pouring space 3 with a cross section in a shape like a Chinese character 'kou' is formed between the shaping template 1 and the foundation pit 7.
Referring to fig. 1 and 2, the connecting and positioning member 2 has a rectangular parallelepiped structure with a length of 100mm and is horizontally disposed in the casting space 3.
Specifically, referring to fig. 2 and fig. 3, one end of the connecting and positioning element 2 abuts against the outer surface of the side wall of the sizing template 1 (the surface of the side wall of the sizing template 1 outside the cylindrical structure is defined as the outer surface), the center of the end surface is provided with a mounting hole 21 extending inwards along the axial direction of the connecting and positioning element 2, and the inside of the mounting hole 21 is fixedly connected with a threaded sleeve 211; correspondingly, the side wall of the shaping template 1 is correspondingly provided with an inserting through hole 11 communicated with the mounting hole 21. One end of a first connecting rod 22 is provided with external threads, and the first connecting rod 22 is installed in the installation hole 21 through the threaded fit with the threaded sleeve 211; meanwhile, the other end of the first connecting rod 22 passes through the inserting through hole 11 and is exposed to the inner side of the shaping template 1; thereby, the coupling locations 2 are coupled with the sizing formworks 1 by the first coupling bars 22. Meanwhile, the other end of the connecting and positioning part 2 is fixedly connected with a second connecting rod 23 extending along the axial direction of the connecting and positioning part 2, and the free end of the second connecting rod 23 is inserted into the side wall of the foundation pit 7, so that the connecting and positioning part 2 is connected with the foundation pit 7. The fixing of the setting template 1 in the foundation pit 7 can be realized through the arrangement of the connecting positioning piece 2, the first connecting rod 22 and the second connecting rod 23, the connecting positioning piece 2 can also play a limiting role, and the distance from the side wall of the setting template 1 to the side wall of the foundation pit 7 is controlled to be 100 mm. In order to make the connection more firm, fix a position more accurately, connect setting element 2 and set up polylith and evenly distributed in pouring space 3. In addition, the connecting and positioning piece 2 can be a concrete block, an iron block, a square iron rod or other conventional components; in order to better integrate with the concrete poured later, the connection positioning member 2 is preferably a concrete block in the embodiment. The first connecting rod 22 and the second connecting rod 23 may be iron rods, steel rods, or other conventional rigid rod bodies; in this embodiment, the first connecting rod 22 and the second connecting rod 23 are both cylindrical iron rods, and one end of the second connecting rod 23 is connected to the connecting and positioning member 2 made of concrete material by pouring.
Referring to fig. 1 and 2, a sealing plate 4 is attached to an upper end opening of the casting space 3 and closes the casting space 3. Specifically, the sealing plate 4 is a wood board with a smooth surface and has four sealing plates, and each sealing plate 4 corresponds to one side wall of the foundation pit 7. The long edge of one side of each sealing plate 4 is fixedly connected with the upper edge of the side wall of the foundation pit 7, and the long edge of the other side of each sealing plate is fixedly connected with the top edge of the shaping template 1, so that the four sealing plates 4 form a square shape. Each sealing plate 4 is provided with a working hole 41 for pouring concrete and inserting an insertion vibrating rod for vibrating. The working holes 41 on each sealing plate 4 are arranged in a plurality and are uniformly distributed along the length direction of the sealing plate 4, so that each part of the pouring space 3 can be synchronously grouted or vibrated, the uniformity and the mechanical property of the formed side wall cushion layer are facilitated, and the grouting and vibrating efficiency is also improved. Meanwhile, the sealing plate 4 is further provided with a plurality of sealing plugs 42, the plurality of sealing plugs 42 correspond to the working holes 41 one by one and are matched with each other, and the sealing plugs 42 are used for sealing the working holes 41 after grouting or vibrating is completed, so that the pouring space 3 is sealed. Due to gravity, after the concrete is poured into the pouring space 3, the concrete tends to sink, so that the concrete at the upper part can extrude the concrete at the lower part, and the uniformity of the side wall cushion layer is affected; meanwhile, great pressure is applied to the lower part of the sizing die plate 1, and the possibility of deformation of the sizing die plate 1 is increased. Therefore, the pouring space 3 is sealed after grouting or vibrating, and the downward trend of the concrete at the upper part is weakened due to air pressure, so that the obtained side wall cushion layer can obtain better uniformity, and the protection of the sizing template 1 is facilitated.
Referring to fig. 1, the reinforcing rib 5 is an iron bar and is provided in plurality; the reinforcing ribs 5 are uniformly and fixedly connected to the lower parts of the inner surfaces of the four side walls of the sizing template 1, and are used for further protecting the lower part of the sizing template 1 and reducing the possibility of deformation of the sizing template 1 with the highest stress.
Referring to fig. 1 and 2, a form reinforcement 6 is provided inside the cylindrical structure of the setting form 1 for improving the structural strength of the setting form 1. Specifically, the formwork reinforcement member 6 includes a plurality of support bars, and the support bars can be divided into a plurality of vertically arranged first support bars 61 and a plurality of horizontally arranged second support bars 62; wherein, a plurality of groups that the second bracing piece 62 evenly divide into sets up from top to bottom, and second bracing piece 62 in every group criss-cross sets up and fixes through tying up the steel wire. A plurality of first supporting rods 61 penetrate through a plurality of groups of second supporting rods 62 from bottom to top and are connected with the second supporting rods 62 through binding steel wires; the first support bar 61 and the second support bar 62 thus form a structurally stable frame structure. Meanwhile, both ends of each second support bar 62 extend toward and abut against the inner surface of the sidewall of the setting form 1, so that the frame structure formed by the first support bar 61 and the second support bar 62 is connected with the inner surface of the sidewall of the setting form 1 and the structural strength of the setting form 1 is effectively enhanced. In order to increase the relative fixity of the second support rod 62 and the shaping template 1, a wooden positioning block can be fixed on the upper side and the lower side of the side wall of the shaping template 1, which are positioned at the end part of the second support rod 62, through steel nails, and the end part of the second support rod 62 is clamped through the positioning block. In addition, in the present embodiment, the first support bar 61 and the second support bar 62 are both steel pipes.
The embodiment of the application also discloses a construction method for integrally pouring the elevator shaft foundation pit side wall cushion layer, which is completed by adopting the elevator shaft foundation pit side wall cushion layer integrally pouring structure and comprises the following steps:
s1, positioning to a designated site according to a set scheme; and cleaning the site, and well placing an excavation line according to a drawing. Excavating a foundation pit 7 by adopting an excavator, excavating from the middle to the periphery, and excavating by 500mm according to the size of the foundation pit 7; and then, correcting the foundation pit 7 to the designed size by adopting a manual excavation mode. And filling the side wall and the bottom of the foundation pit 7 with the deficient soil, beating and tamping to complete the manufacture of the foundation pit 7. And then, a pit bottom cushion layer with the thickness of 100mm is paved at the bottom of the finished foundation pit 7 by adopting concrete pouring.
S2, manufacturing a concrete block with the size of 100mm multiplied by 50mm by adopting a mould, wherein one end of the concrete block is provided with a mounting hole 21 and is used as a connecting positioning piece 2, pre-burying a threaded sleeve 211 in the mounting hole 21 before the concrete block is molded, and pre-burying a second connecting rod 23 at the other end of the concrete block opposite to the end with the mounting hole 21. And then taking the connecting and positioning part 2, horizontally arranging the connecting and positioning part, horizontally inserting the second connecting rod 23 into the side wall of the foundation pit 7, and enabling the end face of one end of the connecting and positioning part 2 connected with the second connecting rod 23 to abut against the side wall of the foundation pit 7, so that the installation of the connecting and positioning part 2 on the foundation pit 7 is realized. The connecting and positioning parts 2 are arranged in a plurality and are uniformly distributed on four side walls of the foundation pit 7.
S3, manufacturing a rectangular cylindrical forming template 1 by adopting a batten, and arranging inserting through holes 11 corresponding to the mounting holes 21 one by one on four side walls of the forming template 1 according to a pre-designed drawing; the first support bar 61 and the second support bar 62 are then tied together by steel wires to form a frame structure and are connected to the cylindrical structure of the sizing form 1.
S4, coating a release agent on the outer surface of the finished sizing template 1; then hoisting the sizing template 1 into the foundation pit 7; the bottom of the shaping template 1 is arranged on the pit bottom cushion layer, and the four side walls of the shaping template 1 are respectively abutted against the connecting positioning pieces 2 arranged on the four side walls of the foundation pit 7, so that the shaping template 1 is positioned; at this time, each mounting hole 21 faces the side wall of the sizing template 1, and each inserting through hole 11 of the sizing template 1 is communicated with the corresponding mounting hole 21; taking a first connecting rod 22, inserting the end part with the external thread into the inserting through hole 11, and further extending into the mounting hole 21; then, the first connecting rod 22 is rotated, and the first connecting rod 22 is installed in the installation hole 21 through the threaded fit between the internal thread sleeve 211 of the installation hole 21 and the external thread of the first connecting rod 22, so that the connection between the sizing template 1 and the foundation pit 7 is realized, and the displacement of the sizing template 1 during pouring is reduced.
S5, taking four sealing plates 4, fixing the long edge of one side of each sealing plate 4 at the upper edge of the side wall of the foundation pit 7 through a steel nail, and fixing the long edge of the other side of each sealing plate 4 at the top edge of the shaping template 1 through the steel nail, so that the openings of the pouring spaces 3 formed between the shaping templates 1 and the foundation pit 7 are sealed by the four sealing plates 4, and meanwhile, the shaping templates 1 and the foundation pit 7 are further fixed.
S6, synchronously pouring concrete into each part of the pouring space 3 through the working holes 41 on the four sealing plates 4; and simultaneously, an inserted vibrating rod is inserted into the concrete through the working hole 41 for vibrating.
S7, sealing each working hole 41 by using a sealing plug 42 after the pouring and vibrating are finished, and standing for 24 hours; then the first connecting rod 22 is rotated to take the first connecting rod 22 out of the mounting hole 21, and the sealing plate 4 is detached to disconnect the sizing form 1 and the foundation pit 7.
S8, removing the complete and basically undamaged formed template 1 in a hanging connection mode, and repairing the mounting hole 21; and then watering and maintaining to finish pouring construction of the side wall cushion layer of the elevator shaft foundation pit.
Example 2
The embodiment of the application discloses an elevator shaft foundation pit side wall cushion layer integral pouring structure and a construction method. Referring to fig. 4, the present embodiment is substantially the same as embodiment 1 except that: the copper sleeve 212 is arranged in the mounting hole 21 of the connecting and positioning element 2, meanwhile, the end of the first connecting rod 22 is smooth and has no thread, and the first connecting rod 22 is inserted into the mounting hole 21 in an interference fit mode, so that the first connecting rod 22 is mounted.
Through the arrangement, the connection between the foundation pit 7 and the shaping template 1 can be realized; meanwhile, the structure is simpler to manufacture and lower in setting cost.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. Elevator shaft foundation ditch lateral wall bed course integral pouring structure, its characterized in that: comprises a shaping template (1) and a connecting positioning piece (2);
the shaping template (1) is arranged in the foundation pit (7), the shaping template (1) is of a cylindrical structure, and each side wall of the shaping template corresponds to and is parallel to each side wall of the foundation pit (7) one by one; a pouring space (3) is formed between the shaping template (1) and the foundation pit (7); the connecting and positioning piece (2) is arranged in the pouring space (3), and two opposite sides of the connecting and positioning piece (2) are respectively connected to the side wall of the shaping template (1) and the side wall of the foundation pit (7);
a mounting hole (21) is formed in one side, fixed with the side wall of the shaping template (1), of the connecting positioning piece (2), and a first connecting rod (22) is detachably connected in the mounting hole (21); the free end of the first connecting rod (22) passes through the inserting through hole (11) formed in the side wall of the shaping template (1) and is exposed out of the inner side of the shaping template (1).
2. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 1, characterized in that: the mounting hole (21) and the first connecting rod (22) are connected through threaded connection or interference fit.
3. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 2, wherein: one end of the connecting and positioning part (2) fixed with the side wall of the foundation pit (7) is provided with a second connecting rod (23), and the free end of the second connecting rod (23) is inserted into the side wall of the foundation pit (7).
4. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 3, wherein: the connecting and positioning piece (2) is a concrete block and is in a cuboid shape.
5. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 1, characterized in that: the pouring device is characterized by further comprising a sealing plate (4), wherein the opening of the pouring space (3) is sealed by the sealing plate (4), and a working hole (41) is formed in the sealing plate (4).
6. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 5, wherein: the sealing plate (4) is further provided with a sealing plug (42) used for sealing the working hole (41), and the sealing plug (42) corresponds to the working hole (41) one by one.
7. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 6, wherein: the forming die plate also comprises a plurality of reinforcing ribs (5) which are all positioned at the lower part of the inner surface of the side wall of the forming die plate (1).
8. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 1, characterized in that: also comprises a template reinforcing piece (6) which is arranged in the sizing template (1).
9. The elevator shaft foundation pit side wall cushion layer integral casting structure of claim 8, wherein: the template reinforcing piece (6) is a frame structure which is composed of a plurality of supporting rods and is connected with the inner surface of the side wall of the shaping template (1).
10. The construction method for integrally pouring the side wall cushion of the elevator shaft foundation pit is characterized by comprising the following steps of: the method is completed by adopting the integral pouring structure of the side wall cushion of the elevator shaft foundation pit as claimed in any one of claims 1 to 9, and comprises the following steps:
excavating a foundation pit (7) at a designated position and paving a pit bottom cushion layer;
installing a connecting positioning piece (2) with an installation hole (21) on the side wall of the foundation pit (7), wherein the installation hole (21) faces the inner side of the foundation pit (7);
manufacturing a shaping template (1) and arranging an inserting through hole (11) corresponding to the mounting hole (21);
placing the shaping template (1) in the foundation pit (7), wherein the side wall of the shaping template (1) is propped against the connecting positioning piece (2), and the mounting hole (21) is communicated with the inserting through hole (11); inserting a first connecting rod (22) into the inserting through hole (11) and extending into the mounting hole (21) to realize the positioning and fixing of the shaping template (1);
pouring concrete into a pouring space (3) formed between the shaping template (1) and the foundation pit (7) and vibrating;
the first connecting rod (22) is disassembled and is pulled out of the mounting hole (21) and the inserting through hole (11); and removing the sizing template (1) and curing the concrete to form a cushion layer on the side wall of the foundation pit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110809161.5A CN113404057A (en) | 2021-07-16 | 2021-07-16 | Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110809161.5A CN113404057A (en) | 2021-07-16 | 2021-07-16 | Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113404057A true CN113404057A (en) | 2021-09-17 |
Family
ID=77686746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110809161.5A Pending CN113404057A (en) | 2021-07-16 | 2021-07-16 | Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113404057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481913A (en) * | 2021-12-22 | 2022-05-13 | 山东金宇信息科技集团有限公司 | Connecting structure for partition guardrail and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204266590U (en) * | 2014-11-19 | 2015-04-15 | 大同泰瑞集团建设有限公司 | Sump, hoistway formwork bed die anti-floating system |
| CN108166536A (en) * | 2018-01-17 | 2018-06-15 | 温州正康建设有限公司 | A kind of anti-levitating device of hoistway formwork and its construction method |
| CN110453689A (en) * | 2019-09-03 | 2019-11-15 | 中国建筑一局(集团)有限公司 | Circular foundation pit lining wall formwork construction system and construction method |
| CN210117716U (en) * | 2019-06-04 | 2020-02-28 | 山西水利职业技术学院 | Trapezoidal foundation ditch lateral wall concrete typical forms of elevartor shaft |
| CN211285665U (en) * | 2019-11-29 | 2020-08-18 | 江苏沙家浜建筑有限公司 | Well template device convenient to vibrate and capable of reducing pressure and resisting floating |
| CN213267906U (en) * | 2020-08-24 | 2021-05-25 | 中铁十八局集团第五工程有限公司 | Circular foundation ditch is pour and is used pin-connected panel steel form |
-
2021
- 2021-07-16 CN CN202110809161.5A patent/CN113404057A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204266590U (en) * | 2014-11-19 | 2015-04-15 | 大同泰瑞集团建设有限公司 | Sump, hoistway formwork bed die anti-floating system |
| CN108166536A (en) * | 2018-01-17 | 2018-06-15 | 温州正康建设有限公司 | A kind of anti-levitating device of hoistway formwork and its construction method |
| CN210117716U (en) * | 2019-06-04 | 2020-02-28 | 山西水利职业技术学院 | Trapezoidal foundation ditch lateral wall concrete typical forms of elevartor shaft |
| CN110453689A (en) * | 2019-09-03 | 2019-11-15 | 中国建筑一局(集团)有限公司 | Circular foundation pit lining wall formwork construction system and construction method |
| CN211285665U (en) * | 2019-11-29 | 2020-08-18 | 江苏沙家浜建筑有限公司 | Well template device convenient to vibrate and capable of reducing pressure and resisting floating |
| CN213267906U (en) * | 2020-08-24 | 2021-05-25 | 中铁十八局集团第五工程有限公司 | Circular foundation ditch is pour and is used pin-connected panel steel form |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481913A (en) * | 2021-12-22 | 2022-05-13 | 山东金宇信息科技集团有限公司 | Connecting structure for partition guardrail and construction method thereof |
| CN114481913B (en) * | 2021-12-22 | 2024-01-19 | 山东金宇信息科技集团有限公司 | Connection structure for partition guardrail and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110777983A (en) | Synchronous construction structure and method for concrete filled wall and cast-in-place structure | |
| CN210282675U (en) | Concrete prefabricated member forming die | |
| CN210396134U (en) | Reinforcing tool for controlling horizontal joint quality of shear wall | |
| CN113404057A (en) | Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft | |
| CN113482007B (en) | Waist beam supporting structure and construction method thereof | |
| CN211499326U (en) | Synchronous construction structures of concrete infilled wall and cast-in-place structure | |
| CN210737843U (en) | Prefabricated assembled concrete shear force wall | |
| CN112476730A (en) | Pouring mold and pouring process for lightweight aggregate concrete PC (polycarbonate) member | |
| CN218091465U (en) | Assembled non-bearing masonry wall structure | |
| CN217751940U (en) | Prefabricated part mold assembly | |
| KR101854653B1 (en) | Construction method of concrete structure based on exposed concrete method | |
| CN214615420U (en) | Manufacturing device for formwork splicing section | |
| CN214833491U (en) | Prefabricated component of assembled building | |
| CN112942815B (en) | Archaized building support beam and roof integrated pouring construction method | |
| CN212176280U (en) | Device for forming multi-process integrated splicing-free light wall and wall | |
| CN211058144U (en) | Integral prefabricating and forming structure for embedded part and core cylinder reinforcing mesh of tower crane | |
| CN209924189U (en) | Brick moulding bed constructional column | |
| CN108843016B (en) | Shear wall template internal stay and tie bar combined type component and method | |
| CN108442698B (en) | Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve | |
| KR20170113862A (en) | The block decreasing the amount of concret mortar to build Nonbearing wall | |
| CN113323262A (en) | 3D printed prefabricated wall module, wall and construction method of wall | |
| KR100626326B1 (en) | concrete structure | |
| CN215671157U (en) | Prefabricated construction of control floor thickness | |
| CN112523243A (en) | Caisson template | |
| CN217079670U (en) | A building reinforcing apparatus for city planning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210917 |