CN213952237U - Take a four corners supporting beam's underground structure - Google Patents
Take a four corners supporting beam's underground structure Download PDFInfo
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- CN213952237U CN213952237U CN202022146668.0U CN202022146668U CN213952237U CN 213952237 U CN213952237 U CN 213952237U CN 202022146668 U CN202022146668 U CN 202022146668U CN 213952237 U CN213952237 U CN 213952237U
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Abstract
The utility model discloses a take a four corners supporting beam's excavation supporting structure, including a fender pile, set up the waist roof beam on a fender pile and support a supporting beam module on the waist roof beam, a supporting beam module includes that the owner props the roof beam and connects in the bracing beam of main beam tip, and every one end of main beam all is connected with four bracing beams, and four bracing beams divide into two sets of and two sets of bracing beam's of height tip difference fixed connection two waist roof beams on a fender pile, and four bracing beams coincide with the connected node of main beam and four bracing beams are the same with the contained angle between the main beam, the main beam bottom is connected with the support post. The foundation pit supporting structure with the four-corner supporting beam has the advantages of being simple in structure and low in engineering cost, labor cost, material cost and engineering waste can be reduced in the actual implementation process, construction of a building floor is facilitated, and construction efficiency is improved.
Description
Technical Field
The utility model relates to a excavation supporting field among the engineering work progress, especially a take a four corners supporting beam's excavation supporting construction.
Background
Along with the development of cities, the number of foundation pits in urban areas is continuously increased, more and more buildings around the foundation pits are erected, surrounding municipal pipelines are densely distributed, the environment is increasingly complex, and therefore the requirement on foundation pit support is higher and higher. For the complex foundation pit, a soil nailing wall and a prestressed anchor cable are not suitable any more, the most common support mode at present is a support pile and an inner support structure, and a support beam is made of reinforced concrete. For a deep foundation pit, more in-layer supports are generally needed to reduce the height of a supporting pile cantilever, but because the foundation pit support is a temporary project, the multilayer supporting beams have the defects of high manufacturing cost and slow construction period; the multi-layer supporting beams are easy to conflict with the building structure floor slab, and are not beneficial to construction; in subsequent engineering construction, the supporting beams need to be dismantled, a large amount of building waste can be generated, and the environment-friendly construction concept of material saving is not met.
Therefore, the prior art has the technical defects of long construction period, low construction efficiency, high engineering cost, large later-period demolition amount, high labor cost, more construction waste, non-conformity with green construction requirements and the like.
In view of the above, the present invention provides a new technical solution to solve the existing technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a take a four corners supporting beam's excavation supporting construction has solved that the period of time that prior art exists is long, the efficiency of construction is low, engineering cost is high, the later stage is demolishd the volume big, the cost of labor is high, building rubbish is many, be not conform to technical defect such as green construction requirement.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a take a four corners supporting beam's excavation supporting structure, includes fender pile, sets up the waist roof beam on fender pile and supports a supporting beam module on the waist roof beam, a supporting beam module includes that the owner props the roof beam and connects in the bracing beam of main beam tip, and every one end of main beam all is connected with four bracing beams, and four bracing beams divide into two sets of and two sets of bracing beam's of height tip fixed connection two waist roof beams on fender pile respectively, and four bracing beams coincide with the connected node of main beam and four bracing beams are the same with the contained angle between the main beam, the main beam bottom is connected with the support post.
As a further improvement of the technical scheme, the support beam modules are provided with a plurality of groups, and a connecting beam is connected between the main supporting beams of the two adjacent support beam modules.
As a further improvement of the above technical solution, a connection point of the connecting beam and the main supporting beam is located at a connection node of the main supporting beam and the supporting column.
As a further improvement of the technical scheme, the main supporting beam, the diagonal supporting beam, the waist beam and the connecting beam are all reinforced concrete beams cast by C30 commercial concrete, and the thickness of the reinforced concrete protective layer of the main supporting beam, the diagonal supporting beam, the waist beam and the connecting beam is more than or equal to 35 mm.
As a further improvement of the technical scheme, the supporting upright posts and the connecting beams are both arranged perpendicular to the main supporting beam in the supporting beam module.
As a further improvement of the technical scheme, the inclined strut beam steel bars are arranged inside the inclined strut beam and anchored into the waist beam, and the depth of the inclined strut beam steel bars anchored into the waist beam is larger than or equal to 700 mm.
As a further improvement of the above technical solution, the waist rail is fixedly connected to each support pile through the embedded steel bars, the embedded steel bars between the waist rail and each support pile include two rows, each row of the embedded steel bars includes four steel bars, and the steel bars are HRB400 steel bars with a diameter of 22 mm.
As a further improvement of the technical scheme, the supporting upright is a steel lattice upright, and the bottom of the supporting upright is provided with an upright foundation pile.
As a further improvement of the technical scheme, the top of the support pile is provided with a crown beam.
The utility model has the advantages that: the utility model provides a foundation pit supporting structure with a four-corner supporting beam, which supports the waist beam on the supporting pile through a supporting beam module, and a main supporting beam on the supporting beam module is connected with four diagonal supporting beams, and the upper and lower two-layer waist beams are supported along four different directions through the four diagonal supporting beams, thereby realizing the four-corner supporting function; the supporting structure can effectively save the number of the main supporting beams, is beneficial to reducing material cost and labor cost, can reduce the engineering quantity and labor cost in the specific implementation process, has less engineering garbage in the later period, and better meets the requirement of green construction; in addition, because the quantity of the supporting beams is reduced, the conflict between the supporting beams and the building structure floor is less, the construction is more convenient, and the construction efficiency of the engineering is further improved.
To sum up, this take foundation ditch supporting construction of four corners supporting beam has solved that prior art exists that the period of construction is long, the efficiency of construction is low, engineering cost is high, the later stage is demolishd the volume greatly, the cost of labor is high, building rubbish is many, be not conform to technical defect such as green construction requirement.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view from another angle of the present invention;
FIG. 3 is a schematic view of the connection between the cross brace and the wale of the present invention;
FIG. 4 is a schematic construction diagram of a support pile, a support upright pile and a support upright in the construction process of the utility model;
FIG. 5 is a schematic view of the construction of the first stage of earth excavation in the construction process of the present invention;
FIG. 6 is a schematic construction view of the main supporting beam and the upper row of diagonal supporting beams in the construction process of the utility model;
FIG. 7 is a schematic view of the second stage of earth excavation during the construction process of the present invention;
FIG. 8 is a schematic construction view of the lower row of raking braces in the construction process of the utility model;
fig. 9 is a schematic view of the third stage earth excavation in the construction process of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the present invention can be combined interactively without conflicting with each other, as shown in fig. 1 to 9.
With specific reference to fig. 1-3, a take foundation ditch supporting structure of four corners supporting beam, including fender pile 1, set up waist rail 2 on fender pile 1 and support a supporting beam module 3 on waist rail 2, a supporting beam module 3 includes main bracing beam 31 and connects in the bracing beam 32 of main bracing beam 31 tip, and each end of main bracing beam 31 all is connected with four bracing beams 32, and four bracing beams 32 divide into two sets of and two sets of bracing beam 32's of height tip difference fixed connection in two waist rails 2 on fender pile 1, and four bracing beams 32 coincide with the connected node of main bracing beam 31 and the contained angle between four bracing beams 32 and the main bracing beam 31 is the same, main bracing beam 31 bottom is connected with support post 4.
Preferably, the support beam modules 3 have a plurality of groups, and the connecting beam 5 is connected between the main supporting beams 31 of two adjacent support beam modules 3.
Preferably, the connection point of the connecting beam 5 and the main supporting beam 31 is located at the connection node of the main supporting beam 31 and the supporting upright 4.
Preferably, the main supporting beam 31, the diagonal supporting beam 32, the waist beam 2 and the connecting beam 5 are reinforced concrete beams cast by using C30 commercial concrete, and the thickness of the reinforced concrete protective layer of the main supporting beam 31, the diagonal supporting beam 32, the waist beam 2 and the connecting beam 5 is greater than or equal to 35 mm.
Preferably, the supporting columns 4 and the connecting beams 5 are both disposed perpendicular to the main supporting beam 31 in the supporting beam module 3.
Preferably, the inclined strut beam 32 is internally provided with inclined strut beam steel bars, the inclined strut beam steel bars are anchored into the wale 2, and the depth of the inclined strut beam steel bars anchored into the wale 2 is greater than or equal to 700 mm.
Preferably, the wale 2 is fixedly connected with each support pile 1 through the embedded steel bars, the embedded steel bars between the wale 2 and each support pile 1 are arranged in two rows, each row of the embedded steel bars comprises four steel bars, and the steel bars are HRB400 steel bars with the diameter of 22 mm.
Preferably, the support columns 4 are steel lattice columns, and the bottom of the support columns 4 is provided with column foundation piles 41.
Preferably, the top of the support pile 1 is provided with a crown beam 6.
In the technical proposal, the device comprises a shell,
the main supporting beam 31 is poured by commercial concrete with the reference number of C30, and the thickness of the reinforced concrete protective layer is not less than 35 mm; the distance between two adjacent main supporting beams 31 can be properly adjusted according to actual conditions, and the main supporting beams 31 mainly play a role in supporting soil pressure on two sides.
A plurality of parallel connecting beams 5 vertical to the main supporting beam 31 are adopted for connection to form a complete supporting system, and the overall rigidity of the supporting structure is enhanced. The main bracing beam 31 both ends node position sets up the four corners of four directions and props the structure, connects four diagonal bracing roof beams 32 at main bracing beam 31 tip promptly and supports two waist rail 2 along four directions and connect, and wherein two diagonal bracing roof beams 32 fixed connection that extend to one side in the waist rail 2 that is located the upper portion, two diagonal bracing roof beams 32 fixed connection that extend to one side in the waist rail 2 that is located the lower portion.
The diagonal bracing beam 32 is poured by commercial concrete with the reference number of C30, and the thickness of the reinforced concrete protective layer is not less than 35 mm; the diagonal bracing beam steel bars in the diagonal bracing beam 32 need to be anchored into the waist beam by at least 700 mm; four inclined supporting beams 32 are arranged at each node, one end of each inclined supporting beam 32 is connected with the main supporting beam 31, the other end of each inclined supporting beam 32 is connected with the waist beam 2, and the four inclined supporting beams 32 extend towards four directions with two heights.
The waist beam 2 is poured by commercial concrete with the mark C30, and the thickness of the reinforced concrete protective layer is not less than 35 mm; 2 rows of 4 HRB400 steel bars with the diameter of 22mm are planted in the wale 2, and the depth of planting bars planted in the support piles 1 is 300 mm.
The supporting upright post 4 adopts a steel lattice, and the strength grade of steel is Q235; the supporting upright post foundation pile 41 adopts a cast-in-situ bored pile, and underwater commercial concrete is cast into a pile; pile position allowable deviation, axis and vertical direction do not exceed 5cm, pile body verticality deviation is not more than 0.5%, and pile sediment of the vertical column is not more than 50 mm.
In particular, with reference to fig. 4-9, the construction steps of the present invention include:
1. construction fender pile 1 level support column 4
Leveling a construction site, and constructing a support pile 1, a support upright pile 41, a support upright 4 and the like on the ground, specifically referring to fig. 4;
2. first stage earth excavation
And excavating earthwork layer by layer to the bottom elevation of the main supporting beam 31, and reserving a wedge-shaped soil platform at the bottom elevation of the upper row of inclined supporting beams 32 to facilitate the formwork support and pouring of the upper row of inclined supporting beams, which is specifically shown in fig. 5.
3. Constructing main supporting beam 31 and upper row inclined supporting beam 32
The template is a wood template and is reinforced to a certain extent; binding and welding the reinforcing steel bars according to requirements; integrally pouring the main supporting beam 31, the upper row of diagonal supporting beams 32 and the waist beam 2; and the lap steel bars of the lower row of raking braces 32 are reserved, and refer to fig. 6 specifically.
4. Second stage earth excavation
After the strength of the concrete reaches the design strength, the template is dismantled; the wedge-shaped soil platform is excavated and then excavated downwards to the bottom elevation of the lower row of the inclined supporting beams 32, as shown in fig. 7.
5. Construction lower row inclined supporting beam
And (3) binding and welding reinforcing steel bars and pouring concrete on the inclined supporting beams 32 and the waist beams 2 arranged below the formwork support, and particularly referring to fig. 8.
6. Third stage earth excavation
After the strength of the concrete reaches the design strength, the template is dismantled; and continuing to excavate downwards to the bottom of the pit, and particularly referring to fig. 9.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. The utility model provides a take foundation ditch supporting construction of a four corners supporting beam which characterized in that: including fender pile (1), waist roof beam (2) and the supporting beam module (3) of support on waist roof beam (2) of setting on fender pile (1), supporting beam module (3) including main beam (31) and connect in main beam (31) tip bracing beam (32), each end of main beam (31) all is connected with four bracing beams (32), four bracing beams (32) divide into two sets of just two sets of tip difference fixed connection two waist roof beams (2) on fender pile (1) of height, four bracing beams (32) coincide with the connected node of main beam (31) and four bracing beams (32) are the same with contained angle between main beam (31), main beam (31) bottom is connected with support post (4).
2. The foundation pit supporting structure with the four-corner supporting beam as claimed in claim 1, wherein: the supporting beam modules (3) are provided with a plurality of groups, and connecting beams (5) are connected between the main supporting beams (31) of the two adjacent supporting beam modules (3).
3. The foundation pit supporting structure with the four-corner supporting beam of claim 2, wherein: the connecting point of the connecting beam (5) and the main supporting beam (31) is positioned at the connecting node of the main supporting beam (31) and the supporting upright post (4).
4. The foundation pit supporting structure with the four-corner supporting beam of claim 2, wherein: the main supporting beam (31), the inclined supporting beam (32), the waist beam (2) and the connecting beam (5) are all reinforced concrete beams formed by pouring C30 commercial concrete, and the thickness of the reinforced concrete protective layer of the main supporting beam (31), the inclined supporting beam (32), the waist beam (2) and the connecting beam (5) is larger than or equal to 35 mm.
5. The foundation pit supporting structure with the four-corner supporting beam as claimed in claim 1, wherein: the supporting upright posts (4) and the connecting beams (5) are both arranged perpendicular to the main supporting beam (31) in the supporting beam module (3).
6. The foundation pit supporting structure with the four-corner supporting beam as claimed in claim 1, wherein: the inclined strut beam (32) is internally provided with inclined strut beam steel bars, the inclined strut beam steel bars are anchored into the waist beam (2), and the depth of the inclined strut beam steel bars anchored into the waist beam (2) is larger than or equal to 700 mm.
7. The foundation pit supporting structure with the four-corner supporting beam as claimed in claim 1, wherein: waist rail (2) are through planting muscle and each fender pile (1) fixed connection, and the bar planting between waist rail (2) and each fender pile (1) includes two rows, and every row of bar planting includes four reinforcing bars, and this reinforcing bar is 22 mm's of diameter HRB400 reinforcing bar.
8. The foundation pit supporting structure with the four-corner supporting beam as claimed in claim 1, wherein: the support column (4) is a steel lattice column, and a column foundation pile (41) is arranged at the bottom of the support column (4).
9. The foundation pit supporting structure with the four-corner supporting beam as claimed in claim 1, wherein: and the top of the support pile (1) is provided with a crown beam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146668.0U CN213952237U (en) | 2020-09-25 | 2020-09-25 | Take a four corners supporting beam's underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146668.0U CN213952237U (en) | 2020-09-25 | 2020-09-25 | Take a four corners supporting beam's underground structure |
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| Publication Number | Publication Date |
|---|---|
| CN213952237U true CN213952237U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022146668.0U Active CN213952237U (en) | 2020-09-25 | 2020-09-25 | Take a four corners supporting beam's underground structure |
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| CN (1) | CN213952237U (en) |
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- 2020-09-25 CN CN202022146668.0U patent/CN213952237U/en active Active
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