CN215053284U - Novel independent support of post-cast strip for bearing stress by using original structure - Google Patents

Novel independent support of post-cast strip for bearing stress by using original structure Download PDF

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Publication number
CN215053284U
CN215053284U CN202121304346.2U CN202121304346U CN215053284U CN 215053284 U CN215053284 U CN 215053284U CN 202121304346 U CN202121304346 U CN 202121304346U CN 215053284 U CN215053284 U CN 215053284U
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rod
connecting piece
post
steel pipe
cast strip
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CN202121304346.2U
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Chinese (zh)
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隋志通
景启巍
韩全浩
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Abstract

The utility model relates to the technical field of construction engineering main structure template support, in particular to a novel independent support of a post-cast strip utilizing original structure bearing stress, which comprises a top towing rod, a connecting piece, a short butt-joint rod and a long butt-joint rod, the utility model ensures the feasibility of factory production by adopting the assembly type independent support, further saves the early-stage manufacturing time, accelerates the construction progress, and after a novel independent support system is arranged at the position of the post-cast strip, the original structure cantilever concrete becomes a simply supported structure roof which is solidified while reaching the design strength after the construction is completed, the bearing stress of the original basement roof structure is fully utilized, the safety and the deformation of the original roof structure are ensured, the top supporting rod is combined with a universal adjustable support, the field installation is convenient, the support height can be finely adjusted according to the net height of a basement at any time, the stress is ensured, the main upright rod inside the top supporting rod and the secondary upright rod are connected by steel plate butt welding, the secondary vertical rod is small in section and far lower than the main vertical rod in height, so that the overall stress is ensured, and the overall stability is improved.

Description

Novel independent support of post-cast strip for bearing stress by using original structure
Technical Field
The utility model relates to a building engineering major structure template supports technical field, specifically is a novel independent support of post-cast strip that utilizes primary structure to bear the weight of atress.
Background
The existing basement top plate is mostly a flat slab structure system, the thickness of the top plate is between 200mm and 500mm, the clear height is about 3200mm, post-cast strips exist between a main building and a basement, and between the basement and the basement, because the post-cast strip position templates and supports are independently arranged according to the regulation of regulations, the post-cast strip can be disassembled after being sealed, the interval time is different from months to years, the construction period is longer, because the post-cast strip support cannot be disassembled, a large amount of template support materials in the basement are difficult to transport backwards, the turnover construction cannot be carried out, the construction cost is increased, the personnel passage and the material transportation are extremely difficult in the range, the subsequent engineering construction is influenced, and therefore, the traditional post-cast strip independent support has the defects of resource waste, high comprehensive cost, the construction period is influenced, the construction organization is difficult, and the like.
To sum up, the utility model discloses an utilize the novel independent support of post-cast strip that the primary structure bore the weight of to solve the problem that exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize the novel independent support in post-cast strip that the primary structure bore the weight of to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an utilize novel independent support of post-cast strip of original structure bearing capacity, includes top tow bar, connecting piece, short butt joint pole and long butt joint pole, the top tow bar includes top tow bar top steel pipe, top tow bar end steel pipe and top tow bar steel sheet, the connecting piece includes connecting piece top steel pipe, connecting piece end steel pipe and connecting piece steel sheet.
As the utility model discloses preferred scheme, the connecting piece top steel pipe sets up the terminal surface center department at the connecting piece steel sheet, the center department in the connecting piece steel sheet bottom is connected to the steel pipe at the bottom of the connecting piece.
As the preferred scheme of the utility model, the steel pipe sets up the center department in top drag link steel sheet bottom at the top drag link.
As the utility model discloses preferred scheme, top tow bar top steel pipe sets up four groups, four groups top tow bar top steel pipe evenly sets up the terminal surface at the top tow bar steel sheet to become the rectangle and arrange. The four groups of the top drag rod top steel pipes, the connecting pieces, the short butt joint rods, the long butt joint rods and the connecting bolts form an A-shaped independent support.
As the utility model discloses preferred scheme, top tow bar top steel pipe sets up two sets ofly, two sets of top tow bar top steel pipe symmetry sets up the terminal surface at the top tow bar steel sheet, and is two sets of top tow bar top steel pipe, connecting piece, short butt joint pole, long butt joint pole and connecting bolt constitute B type independent stay
As the utility model discloses preferred scheme, set up phi 14's hole on the lateral wall of steel pipe at the bottom of the top tow bar and the one end of keeping away from the top tow bar steel sheet, the hole of phi 14 is all seted up at the both ends of short butt joint pole, long butt joint pole, set up phi 14's hole on the lateral wall of connecting piece top steel pipe and keep away from the connecting piece steel sheet, set up phi 14's hole on the lateral wall of steel pipe at the bottom of the connecting piece and the one end of keeping away from the connecting piece steel sheet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the feasibility of factory production is ensured by adopting the assembled independent support, the earlier stage manufacturing time is further saved, the construction progress is accelerated, after the post-cast strip part is provided with the novel independent support system, after the construction of the cantilever slab concrete of the original structure is completed and the design strength is reached, the roof slab becomes a simply supported structure roof which is solidified while being solidified, the bearing stress of the structure of the top slab of the original underground chamber is fully utilized, the safety and the deformation of the structure of the original roof slab are ensured through the calculation and analysis of finite element software, the top support rod is combined with the universal adjustable support, the field installation is convenient, the support height can be finely adjusted according to the net height of the basement at any time, the stress is ensured, the main vertical rod and the secondary vertical rod in the top support rod are connected by adopting the butt welding of steel plates, the section of the secondary vertical rod is small, but the height is far lower than that of the main vertical rod, the integral stress is ensured, the integral stability is improved, the top support rod and the butt joint rod are connected by adopting the connecting piece, the bolts are used for assisting in fixing, and the use of basements with different net heights is guaranteed, so that the characteristics of reasonable design, cost saving, construction period saving, energy saving, consumption reduction, labor efficiency improvement, capability of industrial production, large-area popularization and the like are achieved, and good social benefits can be obtained.
Drawings
FIG. 1 is a schematic view of the A-shaped jacking rod of the present invention;
FIG. 2 is a schematic view of a B-shaped jacking rod of the present invention;
FIG. 3 is a schematic view of the short docking rod structure of the present invention;
FIG. 4 is a schematic view of the long docking rod of the present invention;
FIG. 5 is a schematic view of the structure of the connecting member of the present invention
FIG. 6 is a schematic view of the A-shaped jacking rod of the present invention showing a plane and a vertical engineering structure;
FIG. 7 is a schematic view of the plane and vertical engineering structure of the A-shaped connecting member of the present invention;
FIG. 8 is a schematic view of the A-shaped short butt-joint rod (600mm long) elevation engineering structure of the present invention
Fig. 9 is a schematic view of the a-type long butt-joint rod (1200mm long) elevation engineering structure of the present invention;
fig. 10 is a schematic view of a plane and vertical engineering structure of a B-shaped jacking rod of the present invention;
FIG. 11 is a schematic diagram of the plane and vertical engineering structure of the B-shaped connecting member of the present invention;
fig. 12 is a schematic view of the type B short docking rod (600mm long) elevation engineering structure of the present invention;
fig. 13 is a schematic view of the elevation engineering structure of the B-type long butt-joint rod (1200mm long).
In the figure: 1. pushing the towing rod; 2, connecting pieces; 3. a short docking rod; 4. a long docking rod; 101. pushing the steel pipe by the pushing rod; 102. a steel pipe at the bottom of the top drag rod; 103. a top drag rod steel plate; 201. the connecting piece pushes against the steel pipe; 202. a connector bottom steel tube; 203. and (5) connecting piece steel plates.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.
In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-13, the present invention provides a technical solution:
the utility model provides an utilize novel independent support of post-cast strip of original structure bearing capacity, includes top tow bar 1, connecting piece 2, short butt joint pole 3 and long butt joint pole 4, and top tow bar 1 includes top tow bar top steel pipe 101, top tow bar end steel pipe 102 and top tow bar steel sheet 103, and connecting piece 2 includes connecting piece top steel pipe 201, connecting piece end steel pipe 202 and connecting piece steel sheet 203.
Further, the connector top steel pipe 201 is arranged at the center of the end face of the connector steel plate 203, and the connector bottom steel pipe 202 is connected at the center of the bottom of the connector steel plate 203.
Further, the top drag link bottom steel pipe 102 is arranged at the center of the bottom of the top drag link steel plate 103.
Further, four groups of top drag rod top steel pipes 101 are arranged, the four groups of top drag rod top steel pipes 101 are uniformly arranged on the end face of the top drag rod steel plate 103 and are arranged in a rectangular shape, and the four groups of top drag rod top steel pipes 101, the connecting piece 2, the short butt joint rods 3, the long butt joint rods 4 and the connecting bolts form an A-shaped independent support.
Furthermore, two groups of top drag rod top steel tubes 101 are arranged, the two groups of top drag rod top steel tubes 101 are symmetrically arranged on the end face of the top drag rod steel plate 103, and the two groups of top drag rod top steel tubes 101, the connecting piece 2, the short butt joint rod 3, the long butt joint rod 4 and the connecting bolt form a B-shaped independent support.
Furthermore, a phi 14 hole is formed in one end of the side wall of the top drag rod bottom steel pipe 102, which is far away from the top drag rod steel plate 103, a phi 14 hole is formed in both ends of the short butt joint rod 3 and the long butt joint rod 4, a phi 14 hole is formed in the side wall of the connecting piece top steel pipe 201, which is far away from the connecting piece steel plate 203, and a phi 14 hole is formed in one end of the side wall of the connecting piece bottom steel pipe 202, which is far away from the connecting piece steel plate 203.
The utility model discloses work flow: the support is mainly divided into A, B type independent supports, each type of support is composed of a jacking rod, a butt joint rod and a connecting piece, the support is matched with a universal adjustable support, a basement top plate in the net height 6000mm range can be supported, the butt joint rod is connected with the jacking rod through the connecting piece, a bolt is fixed in an auxiliary mode, the jacking rod is connected with a structure top plate and a formwork keel through the universal adjustable support, and the installation and the erection of a common formwork support frame are the same.
The specific implementation case is as follows:
referring to fig. 1-13, marking post-cast strip position according to basement template scheme and drawing, post-cast strip span and support setting up to novel support system → according to basement net height, the novel support system member of subsection position selection, adopt connecting rod connection ejector pin and butt joint pole, during the connection, the butt joint pole is under, the ejector pin is last → the ejector pin top inserts general adjustable brace → adjustment adjustable brace and template primary and secondary fossil fragments position, push up tightly, in order to guarantee to support stable and follow-up concrete placement construction → installation other position templates and support, set up novel support and set up the position and require specifically as follows:
description of computational analysis
1. Deflection of structural panel
Meets the 3.4.3 regulations of GB50010-2010 concrete structure design specification (2015 edition).
TABLE 3.4.3 deflection limit of flexural Member
2. Checking calculation of support deformation
The method meets the requirements of JGJ162-2008 construction formwork safety technical specification of 4.4.1, and calculates 1/1000 of span for the corresponding structure through the compression deformation or elastic deflection of the bracket.
3. Adjustable supporting axial force
The safety technical specification of the JGJ130-2011 construction fastener type steel pipe scaffold is met, namely the specification of item 3.4.3, and the design value of the bearing capacity is not less than 40 kN.
4. Support bar stress calculation
Meets the safety technical specification appendix A.2 of the JGJ162-2008 construction template, and is not more than 205N/mm2
5. Cracks of original structural slab
Meets the 3.4.5 regulation of GB50010-2010 concrete structure design specification (2015 edition), and is not more than 0.20 mm.
6. Slenderness ratio of support member
The safety technical specification of the JGJ162-2008 construction template is met by 5.1.6 regulations, and the slenderness ratio of the compression member is not more than 150.
7. Buckling analysis of strut members (stability)
The JGJ7-2010 space grid structure technical regulation 4.3.4 regulations are met, and the safety factor is not more than 4.2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an utilize original structure to bear novel independent support in post-cast strip of atress, includes top tow bar (1), connecting piece (2), short butt joint pole (3) and long butt joint pole (4), its characterized in that: the top drag rod (1) comprises a top drag rod top steel pipe (101), a top drag rod bottom steel pipe (102) and a top drag rod steel plate (103), and the connecting piece (2) comprises a connecting piece top steel pipe (201), a connecting piece bottom steel pipe (202) and a connecting piece steel plate (203).
2. The novel independent support of the post-cast strip for bearing stress by using the original structure as claimed in claim 1, is characterized in that: the connecting piece top steel pipe (201) is arranged at the center of the end face of the connecting piece steel plate (203), and the connecting piece bottom steel pipe (202) is connected to the center of the bottom of the connecting piece steel plate (203).
3. The novel independent support of the post-cast strip for bearing stress by using the original structure as claimed in claim 2, is characterized in that: the top drag rod bottom steel pipe (102) is arranged at the center of the bottom of the top drag rod steel plate (103).
4. The novel independent support of the post-cast strip for bearing stress by using the original structure as claimed in claim 3, is characterized in that: the four groups of the top drag rod steel tubes (101) are uniformly arranged on the end face of the top drag rod steel plate (103) and are arranged in a rectangular mode, and the four groups of the top drag rod steel tubes (101), the connecting pieces (2), the short butt-joint rods (3), the long butt-joint rods (4) and the connecting bolts form an A-type independent support.
5. The novel independent support of the post-cast strip for bearing stress by using the original structure as claimed in claim 3, is characterized in that: the top drag rod steel jacking pipe (101) is arranged in two groups, the two groups are symmetrically arranged on the end face of the top drag rod steel plate (103), and the two groups are B-shaped independent supports consisting of the top drag rod steel jacking pipe (101), the connecting piece (2), the short butt joint rod (3), the long butt joint rod (4) and the connecting bolt.
6. The novel independent support of the post-cast strip for bearing stress by using the original structure as claimed in claim 3, is characterized in that: one end of the side wall of the top drag rod bottom steel pipe (102) and the end far away from the top drag rod steel plate (103) are provided with a phi 14 hole, two ends of the short butt joint rod (3) and the long butt joint rod (4) are provided with phi 14 holes, the side wall of the connecting piece top steel pipe (201) and the end far away from the connecting piece steel plate (203) are provided with phi 14 holes, and the end of the side wall of the connecting piece bottom steel pipe (202) and the end far away from the connecting piece steel plate (203) are provided with phi 14 holes.
CN202121304346.2U 2021-06-10 2021-06-10 Novel independent support of post-cast strip for bearing stress by using original structure Active CN215053284U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121304346.2U CN215053284U (en) 2021-06-10 2021-06-10 Novel independent support of post-cast strip for bearing stress by using original structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121304346.2U CN215053284U (en) 2021-06-10 2021-06-10 Novel independent support of post-cast strip for bearing stress by using original structure

Publications (1)

Publication Number Publication Date
CN215053284U true CN215053284U (en) 2021-12-07

Family

ID=79205625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121304346.2U Active CN215053284U (en) 2021-06-10 2021-06-10 Novel independent support of post-cast strip for bearing stress by using original structure

Country Status (1)

Country Link
CN (1) CN215053284U (en)

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