CN203530990U - Deep foundation pit shoring retaining wall steel pipe concrete supporting structure - Google Patents
Deep foundation pit shoring retaining wall steel pipe concrete supporting structure Download PDFInfo
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- CN203530990U CN203530990U CN201320605664.1U CN201320605664U CN203530990U CN 203530990 U CN203530990 U CN 203530990U CN 201320605664 U CN201320605664 U CN 201320605664U CN 203530990 U CN203530990 U CN 203530990U
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Abstract
The utility model provides a deep foundation pit shoring retaining wall steel pipe concrete supporting structure. The deep foundation pit shoring retaining wall steel pipe concrete supporting structure comprises at least one first prefabricated steel pipe concrete joint assembly, at least one prefabricated steel pipe concrete straight segment assembly and at least one second prefabricated steel pipe concrete joint assembly, wherein the first prefabricated steel pipe concrete joint assembly, the prefabricated steel pipe concrete straight segment assembly and the second prefabricated steel pipe concrete joint assembly are sequentially connected. The prefabricated steel pipe concrete straight segment assembly comprises a first steel pipe. Concrete is filled into the first steel pipe. The two openings of the first steel pipe are provided with end sealing plates and the two ends of the first steel pipe are provided with first flanges. The first flanges are provided with multiple bolt holes. Multiple supporting ribs are welded between the first flanges and the first steel pipe. The first prefabricated steel pipe concrete joint assembly and the second prefabricated steel pipe concrete joint assembly are connected with the first flanges at the two ends of the prefabricated steel pipe concrete straight segment assembly in a locked mode through bolts. By means of the connection manner of the prefabricated steel pipe concrete standard assemblies, the rigidity is large, deformation of a shoring retaining wall is little, all the assemblies can be used in a turnover mode, the construction process is accelerated, materials are saved and cost is reduced.
Description
[technical field]
The utility model relates to a kind of deep foundation pit support barricade braced structures, particularly a kind of deep foundation pit support barricade concrete filled steel tube braced structures.
[background technology]
In deep-foundation pit engineering, for reducing the distortion of supporting and protection structure cost, shortening Foundation Pit Construction duration, raising engineering structures quality, control supporting barricade, need support system be set in inner side, supporting barricade hole.Existing deep foundation pit support barricade hole inner support system adopts reinforced concrete support system or type steel support system more, although reinforced concrete support system rigidity is large, but time effect is poor, the construction period is long, and not reproducible utilization causes the shortcomings such as waste, although and type steel support system time effect good, can have enough to meet the need use, there is poor rigidity, unfavorable to controlling the distortion of supporting barricade.
[summary of the invention]
The technical problems to be solved in the utility model, be to provide a kind of simple and reasonable, reusable, install and remove deep foundation pit support barricade concrete filled steel tube braced structures fast, poor, the not reproducible utilization of time effect that the reinforced concrete inner support system in prior art of can solving exists causes the poor barricade that causes of waste of material and type steel support or steel pipe support system stiffness to be out of shape large problem.
The utility model is achieved in that a kind of deep foundation pit support barricade concrete filled steel tube braced structures, comprising: at least one the first Prefabricated concrete-filled steel tube adapter assembly, at least one Prefabricated concrete-filled steel tube straight section assembly and at least one the second Prefabricated concrete-filled steel tube adapter assembly that connect successively; Described Prefabricated concrete-filled steel tube straight section assembly comprises one first steel pipe, this first steel duct is filled with concrete, two mouths of pipe of this first steel pipe are provided with end-plate, the two ends of described the first steel pipe are provided with the first flange, this first flange is provided with a plurality of bolts hole, between described the first flange and the first steel pipe, is welded with a plurality of ribs; Described the first Prefabricated concrete-filled steel tube adapter assembly, the second Prefabricated concrete-filled steel tube adapter assembly all carry out sealed connection by bolt with first flange at described Prefabricated concrete-filled steel tube straight section assembly two ends.
Further, described the first Prefabricated concrete-filled steel tube adapter assembly comprises one second steel pipe, and this second steel pipe becomes " T " font; This second steel duct is filled with concrete, each mouth of pipe of this second steel pipe is provided with end-plate, each end of described the second steel pipe is provided with the second flange, and this second flange is provided with a plurality of bolts hole, between described the second flange and the second steel pipe, is welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with second flange of described second any one end of steel pipe.
Further, described the first Prefabricated concrete-filled steel tube adapter assembly comprises one the 3rd steel pipe, and the 3rd steel pipe becomes " ten " font; The 3rd steel duct is filled with concrete, each mouth of pipe of the 3rd steel pipe is provided with end-plate, each end of described the 3rd steel pipe is provided with three-flange dish, and this three-flange dish is provided with a plurality of bolts hole, between described three-flange dish and the 3rd steel pipe, is welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with the three-flange dish of described the 3rd any one end of steel pipe.
Further, the second Prefabricated concrete-filled steel tube adapter assembly comprises one the 4th steel pipe, one the 5th steel pipe and one the 6th steel pipe; Described the 4th steel pipe, the 5th steel pipe and the 6th steel duct are all filled with concrete, and two mouths of pipe of the 4th steel pipe are provided with end-plate, and the two ends of the 4th steel pipe are provided with the 4th flange; Described the 5th steel pipe, the 6th steel pipe are arranged at two side the mutual conduction of described the 4th steel pipe, and the 5th steel pipe, the symmetrical setting of the 6th steel pipe; The center line of described the 5th steel pipe, the 6th steel pipe all becomes miter angle with the center line of described the 4th steel pipe; The mouth of pipe of described the 5th steel pipe is provided with end-plate, and the end of the 5th steel pipe is provided with the 5th flange; The mouth of pipe of described the 6th steel pipe is provided with end-plate, and the end of the 6th steel pipe is provided with the 6th flange; Described the 4th flange, the 5th flange, the 6th flange all offer a plurality of bolts hole; Between described the 4th flange and the 4th steel pipe, be welded with a plurality of ribs; Between described the 5th flange and the 5th steel pipe, be welded with a plurality of ribs; Between described the 6th flange and the 6th steel pipe, be welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with the 4th flange of described the 4th any one end of steel pipe.
Further, the second Prefabricated concrete-filled steel tube adapter assembly comprises one the 7th steel pipe, one the 8th steel pipe and one the 9th steel pipe; Described the 7th steel pipe, the 8th steel pipe and the 9th steel duct are all filled with concrete, and two mouths of pipe of the 7th steel pipe are provided with end-plate, and the two ends of the 7th steel pipe are provided with the 7th flange; Described the 8th steel pipe, the 9th steel pipe are arranged at two side the mutual conduction of described the 7th steel pipe, and the 8th steel pipe, the symmetrical setting of the 9th steel pipe; The center line of described the 8th steel pipe, the 9th steel pipe all becomes 30 degree angles with the center line of described the 7th steel pipe; The mouth of pipe of described the 8th steel pipe is provided with end-plate, and the end of the 8th steel pipe is provided with the 8th flange; The mouth of pipe of described the 9th steel pipe is provided with end-plate, and the end of the 9th steel pipe is provided with the 9th flange; Described the 7th flange, the 8th flange, the 9th flange all offer a plurality of bolts hole; Between described the 7th flange and the 7th steel pipe, be welded with a plurality of ribs; Between described the 8th flange and the 8th steel pipe, be welded with a plurality of ribs; Between described the 9th flange and the 9th steel pipe, be welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with the 7th flange of described the 7th any one end of steel pipe.
The utility model has the advantage of: the utility model is a kind of deep foundation pit support barricade concrete filled steel tube braced structures, this braced structures utilizes steel pipe and concrete combining structure to replace traditional reinforced concrete support structure or type steel support structure, can give full play to steel and concrete performance, stability, intensity, rigidity is excellent, and adopt Prefabricated concrete-filled steel tube standard package to carry out on-site consolidation, can repeatedly have enough to meet the need and reuse, the mouth of pipe of each prefabricated standard assembly adopts end-plate to seal, while making the work of concrete filled steel tube braced structures, inner concrete is in three-dimensional stress, intensity is improved, the end of each standard package is provided with flange, be convenient to adopt bolt to carry out assembly and connection to each standard package, flange is provided with supporting rib on steel pipe, improve the stress condition of standard package end, guarantee the bonding strength between each standard package, and prevent flange excessive deformation.This practical main feature is that deep foundation pit support barricade concrete filled steel tube braced structures is to interconnect and form with Prefabricated concrete-filled steel tube standard package; The utility model solved deep foundation ditch inner support adopt traditional reinforced concrete structure support the time effect existing poor, can not reuse and cause waste of material, remove the problems such as difficult, time-consuming, noise pollution, also solved traditional type steel support or steel pipe support and existed poor rigidity, supporting barricade to be out of shape large problem.The form that the utility model adopts Prefabricated concrete-filled steel tube standard package to connect, rigidity is large, the distortion of supporting barricade is little, can have enough to meet the need use, accelerating construction progress, saving material, reduce costs, realize the requirement of deep foundation pit support barricade inner support tool, modularization, seriation.
[accompanying drawing explanation]
Fig. 1 is that the utility model deep foundation pit support concrete filled steel tube supporting plane is arranged one of schematic diagram.
Fig. 2 is two of the utility model deep foundation pit support concrete filled steel tube supporting plane layout schematic diagram.
Fig. 3 is the utility model deep foundation pit support barricade concrete filled steel tube braced structures schematic diagram.
Fig. 4 is Prefabricated concrete-filled steel tube straight section modular construction schematic diagram described in the utility model.
Fig. 5 is concrete filled steel tube schematic cross-section described in the utility model.
Fig. 6 is the structural representation of the utility model the first Prefabricated concrete-filled steel tube adapter assembly embodiment mono-.
Fig. 7 is the structural representation of the utility model the first Prefabricated concrete-filled steel tube adapter assembly embodiment bis-.
Fig. 8 is the structural representation of the utility model the second Prefabricated concrete-filled steel tube adapter assembly embodiment mono-.
Fig. 9 is the structural representation of the utility model the second Prefabricated concrete-filled steel tube adapter assembly embodiment bis-.
[specific embodiment]
Refer to shown in Fig. 1 to Fig. 9, a kind of deep foundation pit support barricade concrete filled steel tube braced structures of the present utility model, comprising: at least one the first Prefabricated concrete-filled steel tube adapter assembly 1, at least one Prefabricated concrete-filled steel tube straight section assembly 2 and at least one the second Prefabricated concrete-filled steel tube adapter assembly 3 that connect successively; Described Prefabricated concrete-filled steel tube straight section assembly 2 comprises one first steel pipe 21, these the first steel pipe 21 inside are filled with concrete 22(as shown in Figure 5), two mouths of pipe of this first steel pipe 21 are provided with end-plate 23, and this end-plate 23 can make concrete 22 be encapsulated in the first steel pipe 21; While making concrete filled steel tube be supported on work, inner concrete 22 is in three-dimensional stress, and intensity is improved; The two ends of described the first steel pipe 21 are provided with the first flange 24, and this first flange 24 is convenient to adjacent Prefabricated concrete-filled steel tube adapter assembly and is connected by bolt; This first flange 24 is provided with a plurality of bolts hole 241, between described the first flange 24 and the first steel pipe 21, is welded with a plurality of ribs 25; This ribs 25 is improved the stress condition of each assembly end, guarantees the bonding strength between each assembly, and prevents described the first flange 24 excessive deformation; Described the first Prefabricated concrete-filled steel tube adapter assembly 1, the second Prefabricated concrete-filled steel tube adapter assembly 3 all carry out sealed connection by bolt (not shown) with first flange 24 at described Prefabricated concrete-filled steel tube straight section assembly 2 two ends.Deep foundation pit support barricade concrete filled steel tube braced structures of the present utility model is according to concrete condition of construction, can also increase a plurality of movable ends, a plurality of the first Prefabricated concrete-filled steel tube adapter assembly 1, a plurality of Prefabricated concrete-filled steel tube straight section assembly 2 and the second a plurality of Prefabricated concrete-filled steel tube adapter assemblies 3.
As shown in Figure 6, be the structural representation of the utility model the first Prefabricated concrete-filled steel tube adapter assembly embodiment mono-.This first Prefabricated concrete-filled steel tube adapter assembly 1 comprises one second steel pipe 11,11 one-tenth " T " fonts of this second steel pipe; These the second steel pipe 11 inside are filled with concrete 22, each mouth of pipe of this second steel pipe 11 is provided with end-plate 23, each end of described the second steel pipe 11 is provided with the second flange 13, this second flange 13 is provided with a plurality of bolts hole 241, between described the second flange 13 and the second steel pipe 11, is welded with a plurality of ribs 25; First flange 24 of described first steel pipe 21 any one end carries out sealed connection by bolt (not shown) with second flange 13 of described second steel pipe 11 any one end.
As shown in Figure 7, be the structural representation of the utility model the first Prefabricated concrete-filled steel tube adapter assembly embodiment bis-.This first Prefabricated concrete-filled steel tube adapter assembly 1 except the adapter assembly 1 of above-described embodiment one can be also: the first Prefabricated concrete-filled steel tube adapter assembly 1 comprises 14 one-tenth " ten " fonts of one the 3rd steel pipe 14, the three steel pipe; The 3rd steel pipe 14 inside are filled with concrete 22, each mouth of pipe of the 3rd steel pipe 14 is provided with end-plate 23, each end of described the 3rd steel pipe 14 is provided with three-flange dish 15, this three-flange dish 15 is provided with a plurality of bolts hole 241, between described three-flange dish 15 and the 3rd steel pipe 14, is welded with a plurality of ribs 25; First flange 24 of described first steel pipe 21 any one end carries out sealed connection by bolt (not shown) with the three-flange dish 15 of described the 3rd steel pipe 14 any one end.
As shown in Figure 8, be the structural representation of the utility model the second Prefabricated concrete-filled steel tube adapter assembly embodiment mono-.The second Prefabricated concrete-filled steel tube adapter assembly 3 comprises one the 4th steel pipe 31, one the 5th steel pipe 32 and one the 6th steel pipe 33; Two mouths of pipe that described the 4th steel pipe 31, the 5th steel pipe 32 and the 6th steel pipe 33 inside are all filled with concrete 22, the four steel pipes 31 are provided with end-plate 23, and the two ends of the 4th steel pipe 31 are provided with the 4th flange 34; Described the 5th steel pipe 32, the 6th steel pipe 33 are arranged at two side the mutual conduction of described the 4th steel pipe 31, and the 5th steel pipe 32, the symmetrical setting of the 6th steel pipe 33; The center line of described the 5th steel pipe 32, the 6th steel pipe 33 all becomes miter angle α with the center line of described the 4th steel pipe 31; The mouth of pipe of described the 5th steel pipe 32 is provided with end-plate 23, and the end of the 5th steel pipe 32 is provided with the 5th flange 35; The mouth of pipe of described the 6th steel pipe 33 is provided with end-plate 23, and the end of the 6th steel pipe 33 is provided with the 6th flange 36; Described the 4th flange 34, the 5th flange 35, the 6th flange 36 all offer a plurality of bolts hole 241, between described the 4th flange 34 and the 4th steel pipe 31, are welded with a plurality of ribs 25; Between described the 5th flange 35 and the 5th steel pipe 32, be welded with a plurality of ribs 25; Between described the 6th flange 36 and the 6th steel pipe 33, be welded with a plurality of ribs 25; First flange 24 of described first steel pipe 21 any one end carries out sealed connection by bolt (not shown) with the 4th flange 34 of described the 4th steel pipe 31 any one end.Deserving to be called in this example the second Prefabricated concrete-filled steel tube adapter assembly of stating this type of is two 45 degree adapter assemblies.
As shown in Figure 9, be the structural representation of the utility model the second Prefabricated concrete-filled steel tube adapter assembly embodiment bis-.This second Prefabricated concrete-filled steel tube adapter assembly 3 except the adapter assembly 3 of above-described embodiment one can be also: the second Prefabricated concrete-filled steel tube adapter assembly 3 comprises one the 7th steel pipe 37, one the 8th steel pipe 38 and one the 9th steel pipe 39; Two mouths of pipe that described the 7th steel pipe 37, the 8th steel pipe 38 and the 9th steel pipe 39 inside are all filled with concrete 22, the seven steel pipes 37 are provided with end-plate 23, and the two ends of the 7th steel pipe 37 are provided with the 7th flange 371; Described the 8th steel pipe 38, the 9th steel pipe 39 are arranged at two side the mutual conduction of described the 7th steel pipe 37, and the 8th steel pipe 38, the symmetrical setting of the 9th steel pipe 39; The center line of described the 8th steel pipe 38, the 9th steel pipe 39 all becomes 30 degree angle β with the center line of described the 7th steel pipe 37; The mouth of pipe of described the 8th steel pipe 38 is provided with end-plate 23, and the end of the 8th steel pipe 38 is provided with the 8th flange 381; The mouth of pipe of described the 9th steel pipe 39 is provided with end-plate 23, and the end of the 9th steel pipe 39 is provided with the 9th flange 391; Described the 7th flange 371, the 8th flange 381, the 9th flange 391 all offer a plurality of bolts hole 241, between described the 7th flange 371 and the 7th steel pipe 37, are welded with a plurality of ribs 25; Between described the 8th flange 381 and the 8th steel pipe 38, be welded with a plurality of ribs 25; Between described the 9th flange 391 and the 9th steel pipe 39, be welded with a plurality of ribs 25; First flange 24 of described first steel pipe 21 any one end carries out sealed connection by bolt (not shown) with the 7th flange 371 of described the 7th steel pipe 37 any one end.Deserving to be called in this example the second Prefabricated concrete-filled steel tube adapter assembly of stating this type of is two 30 degree adapter assemblies.
Deep foundation pit support barricade concrete filled steel tube braced structures specific implementation method described in the utility model is as described below:
On step 2, the position after the unwrapping wire of described deep foundation pit support barricade concrete filled steel tube braced structures location, excavate the earthwork of concrete filled steel tube inner support foundation trench;
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. a deep foundation pit support barricade concrete filled steel tube braced structures, it is characterized in that, comprising: at least one the first Prefabricated concrete-filled steel tube adapter assembly, at least one Prefabricated concrete-filled steel tube straight section assembly and at least one the second Prefabricated concrete-filled steel tube adapter assembly that connect successively; Described Prefabricated concrete-filled steel tube straight section assembly comprises one first steel pipe, this first steel duct is filled with concrete, two mouths of pipe of this first steel pipe are provided with end-plate, the two ends of described the first steel pipe are provided with the first flange, this first flange is provided with a plurality of bolts hole, between described the first flange and the first steel pipe, is welded with a plurality of ribs; Described the first Prefabricated concrete-filled steel tube adapter assembly, the second Prefabricated concrete-filled steel tube adapter assembly all carry out sealed connection by bolt with first flange at described Prefabricated concrete-filled steel tube straight section assembly two ends.
2. a kind of deep foundation pit support barricade concrete filled steel tube braced structures according to claim 1, is characterized in that: described the first Prefabricated concrete-filled steel tube adapter assembly comprises one second steel pipe, and this second steel pipe becomes " T " font; This second steel duct is filled with concrete, each mouth of pipe of this second steel pipe is provided with end-plate, each end of described the second steel pipe is provided with the second flange, and this second flange is provided with a plurality of bolts hole, between described the second flange and the second steel pipe, is welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with second flange of described second any one end of steel pipe.
3. a kind of deep foundation pit support barricade concrete filled steel tube braced structures according to claim 1, is characterized in that: described the first Prefabricated concrete-filled steel tube adapter assembly comprises one the 3rd steel pipe, and the 3rd steel pipe becomes " ten " font; The 3rd steel duct is filled with concrete, each mouth of pipe of the 3rd steel pipe is provided with end-plate, each end of described the 3rd steel pipe is provided with three-flange dish, and this three-flange dish is provided with a plurality of bolts hole, between described three-flange dish and the 3rd steel pipe, is welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with the three-flange dish of described the 3rd any one end of steel pipe.
4. a kind of deep foundation pit support barricade concrete filled steel tube braced structures according to claim 1, is characterized in that: the second Prefabricated concrete-filled steel tube adapter assembly comprises one the 4th steel pipe, one the 5th steel pipe and one the 6th steel pipe; Described the 4th steel pipe, the 5th steel pipe and the 6th steel duct are all filled with concrete, and two mouths of pipe of the 4th steel pipe are provided with end-plate, and the two ends of the 4th steel pipe are provided with the 4th flange; Described the 5th steel pipe, the 6th steel pipe are arranged at two side the mutual conduction of described the 4th steel pipe, and the 5th steel pipe, the symmetrical setting of the 6th steel pipe; The center line of described the 5th steel pipe, the 6th steel pipe all becomes miter angle with the center line of described the 4th steel pipe; The mouth of pipe of described the 5th steel pipe is provided with end-plate, and the end of the 5th steel pipe is provided with the 5th flange; The mouth of pipe of described the 6th steel pipe is provided with end-plate, and the end of the 6th steel pipe is provided with the 6th flange; Described the 4th flange, the 5th flange, the 6th flange all offer a plurality of bolts hole; Between described the 4th flange and the 4th steel pipe, be welded with a plurality of ribs; Between described the 5th flange and the 5th steel pipe, be welded with a plurality of ribs; Between described the 6th flange and the 6th steel pipe, be welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with the 4th flange of described the 4th any one end of steel pipe.
5. a kind of deep foundation pit support barricade concrete filled steel tube braced structures according to claim 1, is characterized in that: the second Prefabricated concrete-filled steel tube adapter assembly comprises one the 7th steel pipe, one the 8th steel pipe and one the 9th steel pipe; Described the 7th steel pipe, the 8th steel pipe and the 9th steel duct are all filled with concrete, and two mouths of pipe of the 7th steel pipe are provided with end-plate, and the two ends of the 7th steel pipe are provided with the 7th flange; Described the 8th steel pipe, the 9th steel pipe are arranged at two side the mutual conduction of described the 7th steel pipe, and the 8th steel pipe, the symmetrical setting of the 9th steel pipe; The center line of described the 8th steel pipe, the 9th steel pipe all becomes 30 degree angles with the center line of described the 7th steel pipe; The mouth of pipe of described the 8th steel pipe is provided with end-plate, and the end of the 8th steel pipe is provided with the 8th flange; The mouth of pipe of described the 9th steel pipe is provided with end-plate, and the end of the 9th steel pipe is provided with the 9th flange; Described the 7th flange, the 8th flange, the 9th flange all offer a plurality of bolts hole; Between described the 7th flange and the 7th steel pipe, be welded with a plurality of ribs; Between described the 8th flange and the 8th steel pipe, be welded with a plurality of ribs; Between described the 9th flange and the 9th steel pipe, be welded with a plurality of ribs; First flange of described first any one end of steel pipe carries out sealed connection by bolt with the 7th flange of described the 7th any one end of steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320605664.1U CN203530990U (en) | 2013-09-28 | 2013-09-28 | Deep foundation pit shoring retaining wall steel pipe concrete supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320605664.1U CN203530990U (en) | 2013-09-28 | 2013-09-28 | Deep foundation pit shoring retaining wall steel pipe concrete supporting structure |
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| CN203530990U true CN203530990U (en) | 2014-04-09 |
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| CN201320605664.1U Expired - Fee Related CN203530990U (en) | 2013-09-28 | 2013-09-28 | Deep foundation pit shoring retaining wall steel pipe concrete supporting structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675712A (en) * | 2017-09-05 | 2018-02-09 | 广州宏途设备工程有限公司 | A kind of tool-type long-span steel pipe supporting construction |
| CN108060674A (en) * | 2016-11-09 | 2018-05-22 | 杭州南联土木工程科技有限公司 | Prefabricated assembled reinforcing bar concrete support system |
| CN114000513A (en) * | 2021-11-09 | 2022-02-01 | 中国建筑第六工程局有限公司 | Assembled precast concrete hollow supporting beam |
-
2013
- 2013-09-28 CN CN201320605664.1U patent/CN203530990U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060674A (en) * | 2016-11-09 | 2018-05-22 | 杭州南联土木工程科技有限公司 | Prefabricated assembled reinforcing bar concrete support system |
| CN108060674B (en) * | 2016-11-09 | 2021-04-27 | 杭州南联土木工程科技有限公司 | Prefabricated assembled steel bone concrete support system |
| CN107675712A (en) * | 2017-09-05 | 2018-02-09 | 广州宏途设备工程有限公司 | A kind of tool-type long-span steel pipe supporting construction |
| CN114000513A (en) * | 2021-11-09 | 2022-02-01 | 中国建筑第六工程局有限公司 | Assembled precast concrete hollow supporting beam |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20190928 |