CN203238640U - Combined type stand column for inner supports of foundation pit support - Google Patents

Combined type stand column for inner supports of foundation pit support Download PDF

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Publication number
CN203238640U
CN203238640U CN 201320288462 CN201320288462U CN203238640U CN 203238640 U CN203238640 U CN 203238640U CN 201320288462 CN201320288462 CN 201320288462 CN 201320288462 U CN201320288462 U CN 201320288462U CN 203238640 U CN203238640 U CN 203238640U
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CN
China
Prior art keywords
column
foundation pit
combined type
inner support
supporting structure
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.)
Expired - Lifetime
Application number
CN 201320288462
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Chinese (zh)
Inventor
魏建华
虞佰先
刘全林
宋伟民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Qiangjin Foundation Engineering Co Ltd
Original Assignee
Shanghai Qiangjin Foundation Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN 201320288462 priority Critical patent/CN203238640U/en
Application granted granted Critical
Publication of CN203238640U publication Critical patent/CN203238640U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a combined type stand column for inner supports of a foundation pit support. The foundation pit support is provided with enclosure walls, the inner supports and stand column bodies, wherein the inner supports are used for connecting the enclosure walls. Each stand column body comprises a rectangular or square steel pipe, and the steel pipe is filled with concrete or cement mortar. Pull rods or cross bridgings are arranged among the stand column bodies. The combined type stand column for the inner supports of the foundation pit support greatly improves the compressive strength and the resistance to bending of the stand column bodies, improves the stability of a foundation pit support system, reduces the amount of steel which is used, is low carbon and environmentally friendly, and lowers cost.

Description

The combined type column that a kind of pattern foundation pit supporting structure inner support is used
Technical field
The utility model relates to technical field of civil engineering, the column that particularly uses in the pattern foundation pit supporting structure inner supporting structure.
Background technology
In foundation pit supporting construction, inner support supporting and protection structure supports for commonly used, inner supporting structure is provided with for the column that supports vertical load, the normal conditions lower pillar stand adopts steel structural upright column, and in order to have higher bearing capacity, column lower end inserts base plate of foundation pit and obtains enough bearing capacities to get off usually, but after the base plate of foundation pit construction is complete, the upright steel structure on base plate top can only be cut away recovery, and the following column of base plate can't reclaim, and has caused the waste of steel.
Use separately in addition H formed steel construction column, strong axle, weak axle rigidity differ greatly, but guarantee column safety, during Stability Checking, can only get the axle of rigidity minimum and control the column vertical bearing capacity, easily cause the steel waste, shaped steel easily is out of shape simultaneously, the bending that tilts brings potential safety hazard to construction.
The utility model content
Technical problem to be solved in the utility model is, overcomes in the existing pattern foundation pit supporting structure inner support with the strong axle of column, the weak axle rigidity problem that has big difference, and provides a kind of novel pattern foundation pit supporting structure with combined type inner support column.
In order to address the above problem, the technical solution of the utility model is such:
The combined type column that a kind of pattern foundation pit supporting structure inner support is used, pattern foundation pit supporting structure is provided with enclosure wall, connects inner support and the column of enclosure wall, column comprises a rectangle or square steel pipe, be filled with concrete or cement mortar in the steel pipe, column is positioned at foundation ditch, and below going deep at the bottom of the foundation ditch, column is connected with inner support.
At the bottom of the foundation ditch following column tube wall thickness less than foundation ditch at the bottom of more than the column tube wall thickness.
The column steel pipe is structure with rectangle or square cold-bend hollow profiled bar.
Being supported for reinforced concrete support or steel support or reinforced concrete support and steel support combinations supports.
Be provided with bracket on the column, be connected with crossbeam on the bracket, crossbeam and steel support and are bolted.
Column is the steel pipe of one whole interior fill concrete or cement mortar.
The column bottom is connected with concrete pile.
Described concrete pile is the castinplace pile that site operation is built.
Be provided with pull bar or bridging between the column.
The arranged outside that is positioned at the column of underground structure bottom plate has sealing piece.
Beneficial effect, the combined type column that a kind of pattern foundation pit supporting structure inner support described in the utility model is used, fill concrete or cement mortar form the combined type column in the shaped steel, given full play to high characteristics and the strong advantage of shaped steel bending resistance of concrete crushing strength, significantly improve the column Rigidity and strength, reduced the consumption of steel, the column after the recovery can recycle, low-carbon environment-friendly is saved cost.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is that column described in the utility model is applied in the foundation ditch schematic internal view.
Fig. 2 is single column supporting structural schematic diagram described in the utility model.
Fig. 3 column schematic diagram.
Fig. 4 is the schematic diagram that column inserts castinplace pile.
Fig. 5 is embodiment 2 column schematic diagrames.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment 1, and referring to Fig. 1, Fig. 2 and Fig. 3, foundation ditch inside is provided with inner support 1, because the inner support span is larger, need to be provided with in the inner support bottom combined type column 2 for the carrying inner support, and combined type column 2 is connected with crossbeam by bracket 4 and is connected inner support.
Combined type column 2 is spliced by concrete filled steel tube column 21 and concrete column 22, and described concrete column 22 is arranged on base plate of foundation pit below 5, and Underground Construction is to correct position, and the concrete filled steel tube column 21 of base plate of foundation pit more than 5 reclaims.The steel pipe section is rectangle or foursquare structure rectangle cold-bend hollow profiled bar, and concrete column 22 is the castinplace pile that preformed pile or site operation are built.
Concrete filled steel tube column 21, the steel pipe post section is rectangle or square, is filled with concrete or cement mortar in the steel pipe, so that the steel post minimum rigidity increases, guarantees the column Rigidity and strength, Reducing distortion.
In order to make column firm, between some or all of concrete filled steel tube column 21, be provided with pull bar or bridging; Reducing distortion improves resistance to overturning
During construction, adopt piling or vibratory equipment etc. that concrete column 22 is squeezed in the soil layer, then splice concrete filled steel tube column 21, the column after will making up again inserts designated depth.Perhaps concrete filled steel tube column 21 and concrete column 22 are spliced in advance completely, constructing.Perhaps with in the castinplace pile of concrete filled steel tube column 21 insertion casts in situs (referring to Fig. 4).
In order to prevent from staying infiltration around the column in the structure base slab, be positioned on the column 2 of base plate position and be provided with sealing piece.
Embodiment 2, and referring to Fig. 5, described column 2 integral body are fill concrete structure in the steel pipe, and the steel pipe post section is rectangle, and column inserts the base plate of foundation pit certain depth.
In order further to save cost, at the bottom of the foundation ditch thickness of following column tube wall less than foundation ditch at the bottom of more than the thickness of column tube wall.
All the other are with embodiment 1.
A kind of novel pattern foundation pit supporting structure described in the utility model combined type inner support column, combined type column minimum rigidity increases, and has improved the vertical bearing capacity of column, has reduced the consumption of steel, and low-carbon environment-friendly is saved cost.
Compare H shaped steel, fill concrete in the rectangular steel pipe, structural strength is large, and is stressed even, is difficult for producing bending and deformation.
Compare the concrete column stake, fill concrete in the rectangular steel pipe, bending resistance is strong, quick construction, sectional dimension is little, is easy to install connect, and recyclable recycling economizes on resources.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not subjected to the restriction of above-mentioned example; that describes in above-mentioned example and the manual just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (10)

1. combined type column that the pattern foundation pit supporting structure inner support is used, pattern foundation pit supporting structure is provided with enclosure wall, connects inner support and the column of enclosure wall, it is characterized in that, column comprises a rectangle or square steel pipe, be filled with concrete or cement mortar in the steel pipe, column is positioned at foundation ditch, and below going deep at the bottom of the foundation ditch, column is connected with inner support.
2. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, at the bottom of the foundation ditch following column tube wall thickness less than foundation ditch at the bottom of more than the column tube wall thickness.
3. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, the column steel pipe is structure with rectangle or square cold-bend hollow profiled bar.
4. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, is supported for reinforced concrete support or steel support or reinforced concrete support and steel support combinations and supports.
5. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, is provided with bracket on the column, is connected with crossbeam on the bracket, and crossbeam and steel support and be bolted.
6. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, column is the steel pipe of one whole interior fill concrete or cement mortar.
7. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, the column bottom is connected with concrete pile.
8. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 7 is characterized in that, described concrete pile is castinplace pile or the preformed pile that site operation is built.
9. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, is provided with pull bar or bridging between the column.
10. the combined type column used of a kind of pattern foundation pit supporting structure inner support according to claim 1 is characterized in that, the arranged outside that is positioned at the column of underground structure bottom plate has sealing piece.
CN 201320288462 2013-05-23 2013-05-23 Combined type stand column for inner supports of foundation pit support Expired - Lifetime CN203238640U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320288462 CN203238640U (en) 2013-05-23 2013-05-23 Combined type stand column for inner supports of foundation pit support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320288462 CN203238640U (en) 2013-05-23 2013-05-23 Combined type stand column for inner supports of foundation pit support

Publications (1)

Publication Number Publication Date
CN203238640U true CN203238640U (en) 2013-10-16

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CN 201320288462 Expired - Lifetime CN203238640U (en) 2013-05-23 2013-05-23 Combined type stand column for inner supports of foundation pit support

Country Status (1)

Country Link
CN (1) CN203238640U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193049A (en) * 2016-07-19 2016-12-07 华北水利水电大学 A kind of method of steel pipe and support combined supporting excavation slope and structure
CN107119675A (en) * 2017-04-24 2017-09-01 张继红 A kind of steel tube concrete pile combined support column and its construction method
CN108396750A (en) * 2018-05-16 2018-08-14 中国建筑第八工程局有限公司 Displacement adjustment device and its construction method for round steel pipe support
CN109944615A (en) * 2019-04-18 2019-06-28 东北大学 A kind of underground supporting manually ore pillar and erection method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193049A (en) * 2016-07-19 2016-12-07 华北水利水电大学 A kind of method of steel pipe and support combined supporting excavation slope and structure
CN107119675A (en) * 2017-04-24 2017-09-01 张继红 A kind of steel tube concrete pile combined support column and its construction method
CN108396750A (en) * 2018-05-16 2018-08-14 中国建筑第八工程局有限公司 Displacement adjustment device and its construction method for round steel pipe support
CN109944615A (en) * 2019-04-18 2019-06-28 东北大学 A kind of underground supporting manually ore pillar and erection method

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CX01 Expiry of patent term

Granted publication date: 20131016

CX01 Expiry of patent term