CN220117228U - Combined splayed steel reinforced concrete supporting structure - Google Patents
Combined splayed steel reinforced concrete supporting structure Download PDFInfo
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- CN220117228U CN220117228U CN202321463650.0U CN202321463650U CN220117228U CN 220117228 U CN220117228 U CN 220117228U CN 202321463650 U CN202321463650 U CN 202321463650U CN 220117228 U CN220117228 U CN 220117228U
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- steel
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- steel support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 239000011150 reinforced concrete Substances 0.000 title description 4
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 238000010276 construction Methods 0.000 description 13
- 238000009412 basement excavation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a combined splayed steel concrete supporting structure which comprises a steel support, a concrete support and a steel support pre-buried pressurizing device, wherein the steel support is connected with the steel support pre-buried pressurizing device through bolts, the concrete support is fixedly connected with the steel support pre-buried pressurizing device, a concrete bracket is arranged at the pre-buried position of the steel support pre-buried pressurizing device, and the steel support is formed by combining profile steel through bolt connection.
Description
Technical Field
The utility model belongs to the technical field of deep foundation pits, and particularly relates to a combined splayed steel reinforced concrete support structure.
Background
The inner support system of the deep foundation pit mainly comprises concrete supports and steel supports, and has the advantages of flexible concrete support arrangement, definite stress, good deformation control capability, no occupation of land red line outer space and the like. However, the concrete supporting steel bar and the concrete are not recyclable, so that the waste of materials is caused, and a large amount of construction waste is generated; the maintenance period is long, and the excavation can be continued downwards after a certain strength is required; the lattice column is more, excavate the space little, influence shortcomings such as the progress of unearthing. Meanwhile, deep foundation pit engineering is often in urban areas, and concrete supports are removed to generate larger noise and raise dust, so that the influence on the periphery is serious.
Compared with concrete support, most of steel components of the steel support system can be recycled, the space between the upright posts is large, the excavation space is large, no construction waste is generated, the construction site is noiseless, and the steel support system is environment-friendly and the like. However, due to the support stress characteristics and the limitation of the standard component sizes in the steel support system, compared with a concrete support, the flexibility of plane arrangement is lacking, the form of a counter-bracing truss is mainly used in a common steel support system, and the rigidity of the steel support is not well distributed in the support plane arrangement, so that the distance between the counter-bracing and the counter-bracing is smaller, the excavation space cannot be further optimized and increased, and the construction progress is influenced.
Disclosure of Invention
The utility model aims to provide a combined splayed steel reinforced concrete supporting structure so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a modular eight characters shaped steel concrete bearing structure, includes steel support, concrete support, the pre-buried pressure device of steel support, steel support bolted connection the pre-buried pressure device of steel support, the pre-buried pressure device fixed connection of steel support the concrete support, the concrete support is in the pre-buried department of the pre-buried pressure device of steel support sets up the concrete bracket, the steel support is modular shaped steel support, through high strength bolted connection, the connected mode is articulated between shaped steel and the node, the concrete support sets up to eight characters type.
Preferably, the steel support pre-buried pressurizing device comprises three parts, namely pre-buried section steel, a stress primary-secondary sleeve and a pressurizing section adjusting plate, wherein the stress primary-secondary sleeve comprises a secondary sleeve and a primary sleeve, the secondary sleeve comprises an end connecting plate, H-shaped steel, a jack front-back stress end plate and a clamping groove, and the primary sleeve comprises an end connecting plate, H-shaped steel, a jack front-back stress end plate and an embedding plate.
Preferably, the embedded section steel is HN594X302X14X23 section steel, and a pressurizing section adjusting plate is arranged between the sub sleeve and the main sleeve.
Preferably, the clamping groove corresponds to the embedded plate.
The utility model has the technical effects and advantages that:
1. the concrete support arrangement is flexible, the stress is clear, the deformation control capability is good, the rigidity of the support in the plane arrangement can be well distributed by matching with the steel support, the steel support range is effectively increased, the problems of close support distance and small construction space are solved, the construction convenience of a support system is improved, the construction progress is improved, and the construction cost is reduced.
2. The steel support is assembled, the construction speed is high, the steel support is matched with the splayed concrete support, the stress is uniform and definite, and the safety coefficient is high.
3. After the basement construction is completed, the steel supports can be removed and recycled in a segmented mode, the basement construction is environment-friendly and noiseless, the engineering quantity of the splayed concrete supports is limited, and the quantity of building wastes is greatly reduced. The construction time for dismantling the splayed concrete support can be reasonably arranged, and the construction noise and dust pollution can be controlled.
Drawings
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is a schematic view of a force bearing letter sleeve according to the present utility model;
FIG. 3 is a schematic view of a steel support embedded pressurizing device;
FIG. 4 is a schematic view of a pressure section regulator plate of the present utility model;
FIG. 5 is a cross-sectional view A-A of FIG. 3 in accordance with the present utility model;
in the figure: 1 steel support, 2 concrete support, 3 steel support pre-buried pressure device, 2100 concrete bracket, 3100 pre-buried shaped steel, 3200 stress primary and secondary sleeve, 3300 pressure section adjusting plate, 3210 secondary sleeve, 3220 primary sleeve, 3201 end connecting plate, 3202H shaped steel, 3203 jack front and back stress end plate, 3204 embedded plate, 3205 clamping groove, 3300 pressure section adjusting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a combined splayed steel concrete supporting structure shown in fig. 1-5, which comprises a steel support 1, a concrete support 2 and a steel support pre-buried pressurizing device 3, wherein the steel support 1 is connected with the steel support pre-buried pressurizing device 3 through bolts, the steel support pre-buried pressurizing device 3 is fixedly connected with the concrete support 2, a concrete bracket 2100 is arranged at a pre-buried position of the steel support pre-buried pressurizing device 3 for increasing the pre-buried length and the partial pressure bearing capacity, the steel support 1 is a combined steel support, the steel support is connected with a node through a high-strength bolt, the connection mode is that the steel support is hinged and easy to install and detach, and the concrete support 2 is arranged in a splayed shape and is poured together with a crown beam or a waist beam.
Specifically, the steel support pre-buried pressurizing device 3 comprises three parts, namely pre-buried section steel 3100, a stress primary-secondary sleeve 3200 and a pressurizing section adjusting plate 3300, the stress primary-secondary sleeve 3200 comprises a primary sleeve 3210 and a secondary sleeve 3220, the primary sleeve 3210 specifically comprises an end connecting plate 3201, H-shaped steel 3202, a front-back stress end plate 3203 of a jack and a clamping groove 3205, and the secondary sleeve 3220 specifically comprises an end connecting plate 3201, H-shaped steel 3202, a front-back stress end plate 3203 of the jack and an embedding plate 3204.
Specifically, the pre-buried section steel 3100 is HN594X302X14X23 section steel, and a pressurizing section adjusting plate 3300 is arranged between the sub-sleeve 3210 and the main sleeve 3220.
Specifically, the card slot 3205 corresponds to the embedded plate 3204.
Specifically, the combined splayed steel concrete support structure applies a certain prestress through the steel support pre-buried pressurizing device 3, is used for controlling the lateral deformation of the foundation pit support, and is arranged after the prestress is applied.
Working principle:
1. constructing a guard pile and a stand column pile;
2. excavating to a support design elevation, binding steel bars of a crown beam or a waist beam, constructing steel bars of a concrete support 2, arranging embedded section steel 3100 on the concrete support 2, and pouring concrete together after binding corbels, wherein the concrete support 2 is arranged in an splayed shape;
3. after the strength of the concrete support 2 meets the design requirement, erecting the steel support 1 in sections, wherein the steel support 1 is connected with the steel support 1 through bolts, and the steel support 1 is connected with a steel support embedded pressurizing device 3 through high-strength bolts;
4. and after applying the pre-stress, the material is divided into excavation downwards.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. The utility model provides a combination eight characters shaped steel concrete bearing structure, includes steel support (1), concrete support (2), pre-buried pressure device (3) of steel support, its characterized in that: the steel support (1) is connected with the steel support pre-buried pressurizing device (3) through bolts, the steel support pre-buried pressurizing device (3) is fixedly connected with the concrete support (2), the concrete support (2) is arranged at the pre-buried position of the steel support pre-buried pressurizing device (3) and is provided with a concrete bracket (2100), the steel support (1) is a combined steel support, the steel is connected with the nodes through high-strength bolts, the connecting mode is hinged, and the concrete support (2) is arranged into an eight-shaped structure.
2. The combined splayed steel concrete supporting structure according to claim 1, wherein: the steel support embedded pressurizing device (3) comprises embedded section steel (3100), a stress primary-secondary sleeve (3200) and a pressurizing section adjusting plate (3300), the stress primary-secondary sleeve (3200) comprises a primary sleeve (3210) and a secondary sleeve (3220), the primary sleeve (3210) is composed of an end connecting plate (3201), H-shaped steel (3202), a jack front-back stress end plate (3203) and a clamping groove (3205), and the secondary sleeve (3220) is composed of an end connecting plate (3201), H-shaped steel (3202), a jack front-back stress end plate (3203) and an embedding plate (3204).
3. The combined splayed steel concrete supporting structure according to claim 2, wherein: the embedded section steel (3100) is HN594X302X14X23 section steel, and a pressurizing section adjusting plate (3300) is arranged between the child sleeve (3210) and the parent sleeve (3220).
4. The combined splayed steel concrete supporting structure according to claim 2, wherein: the card slot (3205) corresponds to the embedded plate (3204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321463650.0U CN220117228U (en) | 2023-06-09 | 2023-06-09 | Combined splayed steel reinforced concrete supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321463650.0U CN220117228U (en) | 2023-06-09 | 2023-06-09 | Combined splayed steel reinforced concrete supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220117228U true CN220117228U (en) | 2023-12-01 |
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ID=88892899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321463650.0U Active CN220117228U (en) | 2023-06-09 | 2023-06-09 | Combined splayed steel reinforced concrete supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220117228U (en) |
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2023
- 2023-06-09 CN CN202321463650.0U patent/CN220117228U/en active Active
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