CN205776249U - A kind of combined inner supporting structure - Google Patents

A kind of combined inner supporting structure Download PDF

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Publication number
CN205776249U
CN205776249U CN201620507539.0U CN201620507539U CN205776249U CN 205776249 U CN205776249 U CN 205776249U CN 201620507539 U CN201620507539 U CN 201620507539U CN 205776249 U CN205776249 U CN 205776249U
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China
Prior art keywords
supporting structure
inner supporting
support
building enclosure
tiltedly
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CN201620507539.0U
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Inventor
张飞
曹净
何尧远
李小龙
张玲
熊启波
万质亮
刘甜
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China Southwest Architectural Design and Research Institute Co Ltd
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China Southwest Architectural Design and Research Institute Co Ltd
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Abstract

The utility model discloses a kind of combined inner supporting structure, belong to field of civil engineering, including be connected with building enclosure in foundation ditch at least together with horizontal inner supporting structure, what inner supporting structure horizontal with the top first was connected vertically tiltedly cuts open support, and support column and the stand column pile thereof of described horizontal inner supporting structure, described building enclosure is connected with its crown beam, described horizontal inner supporting structure is connected by enclosing purlin with building enclosure, vertical support lower end of tiltedly cuing open is connected with horizontal inner supporting structure by bracket bearing, vertical support upper end of tiltedly cuing open is connected with Guan Liang or is connected with building enclosure by enclosing purlin.This utility model can preferably control the displacement of deep footing groove enclosing structure, and is greatly saved the cost of pattern foundation pit supporting structure.

Description

A kind of combined inner supporting structure
Technical field
This utility model belongs to field of civil engineering, particularly the inner supporting structure field of Deep Foundation Pit Supporting Project.
Background technology
Along with the development of society, in order to meet urban development demand, increasing buildings or structures start to open up to the underground space, Such as subway, underground commerce center, underground parking etc., these underground structures are usually associated with large-scale deep basal pit.At foundation ditch In supporting construction, inner support supporting construction is more and more widely adopted.At present, in these inner support supporting construction, Owing to being limited by top elevation, the affecting of the factor such as soil pressure, cost, reduce the road of horizontal inner supporting structure the most as far as possible Number.Conventional method is by putting slope or building enclosure cantilever 2~3m;And when putting slope, need the permission of condition, excavation of foundation pit limit When line is close to red line, often do not reach preferable effect;If building enclosure cantilever is excessive, frequently can lead to position, building enclosure top Moving past big, surface subsidence likely increases therewith.Therefore, seek a kind of safe and reliable and the duration is short and cost reasonably interior Support structure is necessary.
Utility model content
The purpose of this utility model is: propose a kind of combined inner supporting structure, can preferably control Extra-Deep Foundation Pit knot The displacement of structure, and it is greatly saved the cost of pattern foundation pit supporting structure.
The purpose of this utility model is realized by following technical proposals:
A kind of combined inner supporting structure, including be connected with building enclosure in foundation ditch at least together with horizontal inner supporting structure, What inner supporting structure horizontal with the top first was connected vertically tiltedly cuts open support, and supports the vertical of described horizontal inner supporting structure Post and stand column pile thereof, described building enclosure is connected with its crown beam, and described horizontal inner supporting structure and building enclosure are by enclosing purlin It is connected, the most tiltedly cuts open support lower end and be connected with horizontal inner supporting structure by bracket bearing, the most tiltedly cut open support upper end and Guan Liang phase Connect or be connected with building enclosure by enclosing purlin.
In such scheme, this utility model from the section of foundation ditch, inner supporting structure substantially in " K " type, wherein level to Inner supporting structure (horizontal inner supporting structure) be connected by enclosing purlin with building enclosure, first inner supporting structure sets Put the most tiltedly to cut open to support and be connected with building enclosure, form one substantially in the combined inner supporting structure of " K " type;It addition, at base It is provided in hole bearing inner supporting structure deadweight and the column of upper load thereof and stand column pile.In thus can greatly reducing The number of channels supported, and effectively control the displacement of building enclosure, thus efficiently control surface subsidence.The construction letter of this utility model And there is on duration and cost certain advantage just,.This utility model is applicable to the inner supporting structure of Deep Foundation Pit Supporting Project Field.
As selection, described building enclosure is externally provided with around foundation ditch the water-stop curtain of the mutually closing of overlap joint.
As selection, it is outside equipped with intercepting ditch at foundation ditch, in foundation ditch, is provided with weeper drain.
As selection, described horizontal inner supporting structure is reinforced concrete support, steel pipe support or type steel support.
As selection, described vertical tiltedly cuing open is supportted as reinforced concrete support, steel pipe support or type steel support.
As selection, described vertical the most tiltedly cut open support for steel pipe support, described vertical the most tiltedly cut open support by cast-in fixing bolt and bracket bearing and First encloses purlin and effectively connects.
Aforementioned this utility model main formula case and each further selection scheme thereof can be this with independent assortment to form multiple schemes Utility model can use and claimed scheme: such as this utility model, each selection can select combination in any with other, this Skilled person can understand there is multiple combination according to prior art and common knowledge after understanding the present invention program, is this reality By novel claimed technical scheme, do not do exhaustive at this.
The beneficial effects of the utility model: can improve the stability of support, reduce and support number of channels, expand foundation ditch inner space, Facilitate the construction digging fortune and underground agent structure of the earthwork, reached to control the displacement of foundation pit enclosure structure, reduction of erection time and fall The purpose of low construction costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1;
Fig. 2 is the structural representation of this utility model embodiment 2;
In figure, 1 building enclosure;2 Guan Liang;3 water-stop curtains;The 4 horizontal inner supporting structures of first;5 brackets prop up Seat;6 firsts enclose purlin;7 vertically tiltedly cut open support;8 columns;9 stand column pile;10 intercepting ditch;11 weeper drains; The 12 horizontal inner supporting structures of second;13 seconds enclose purlin.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model is further described.
Embodiment 1:
With reference to shown in Fig. 1, building enclosure 1 is connected with its crown beam 2, has and mutually overlap around foundation ditch outside building enclosure 1 Forming the water-stop curtain 3 of closing, in foundation ditch, horizontal inner supporting structure 4 is connected by enclosing purlin 6 with building enclosure 1, the most tiltedly cuts open Supportting 7 lower ends to be connected with horizontal inner supporting structure 4 by bracket bearing 5, the arrangement of reinforcement of bracket bearing 5 is determined by calculating, perpendicular It is connected with hat beam 2 to tiltedly cuing open support 7 upper ends.The deadweight of horizontal inner supporting structure 4 and load thereon are by column 8 and column Stake 9 is born.Intercepting ditch 10 is set it addition, outer in hole, weeper drain 11 is set in hole.As shown in this embodiment, as Selecting, horizontal inner supporting structure 4 is reinforced concrete support or steel pipe (shaped steel) support, and it supports number of channels is together;Perpendicular Supporting for reinforced concrete support or steel pipe (shaped steel) to tiltedly cuing open support 7, its angle, depending on field condition, the most tiltedly cuts open support 7 Upper end can be connected with building enclosure by enclosing purlin, it is not necessary to be supported on hat beam 2 on.The vertical connection tiltedly cuing open support 7 can be led to Cross cast-in fixing bolt effectively to connect, but be not limited to other effective connected modes.Water-stop curtain 3 outside building enclosure 1 is enclosing Outside protection structure, but it is not limited to the sealing mode combined with building enclosure.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, and its difference is: its support number of channels of horizontal inner supporting structure 4 is not limited only to Much more even more together, as in figure 2 it is shown, can be twice, to support number of channels, the vertical spacing of horizontal support is determined by calculating.
Work process of the present utility model is:
Seeing Fig. 1, the building enclosure 1 of deep basal pit of first constructing, hat beam 2 and water-stop curtain 3, construction column 8 is with vertical simultaneously Stanchion 9.Secondly the excavation soil body is to first horizontal inner supporting structure 4 end absolute altitude, the horizontal inner supporting structure of first 4 of constructing, Bracket bearing 5 and first enclose purlin 6.Support 7, then the excavation horizontal inner supporting structure of first 4 times are vertically tiltedly cutd open in finally construction The earthwork, when being excavated to cheat the end, construction drainage french drain 11, the construction in gutter 10 can be interspersed in above-mentioned several during, It is advisable not affecting the crucial duration.
The horizontal inner supporting structure of second 12 in accompanying drawing 2, second enclose purlin 13 and the horizontal inner supporting structure of first 4, the Enclose purlin 6 form of construction work together identical, if foundation depth is relatively deep, the horizontal inner supporting structure of multiple tracks can be set and enclose purlin, depending on soil pressure Depending on power is by calculating.
The vertical angle the most tiltedly cuing open support 7 and horizontal inner supporting structure 4 is according to field condition and the soil pressure that acts in building enclosure 1 Power adjusts in good time.
The most tiltedly cut open support 7 for steel pipe support if vertical, then can in bracket bearing 5 and first enclose purlin 6 cast-in fixing bolt, then can carry High speed of application, recyclable after foundation ditch backfill, thus it is greatly saved duration and cost.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality Any amendment, equivalent and the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model Within the scope of protecting.

Claims (6)

1. a combined inner supporting structure, it is characterised in that: include being connected with building enclosure in foundation ditch at least together with prop up in level Support structure, what inner supporting structure horizontal with the top first was connected vertically tiltedly cuts open support, and supports described horizontal inner support knot The column of structure and stand column pile thereof, described building enclosure is connected with its crown beam, and described horizontal inner supporting structure passes through with building enclosure Enclose purlin to be connected, the most tiltedly cut open support lower end and be connected with horizontal inner supporting structure by bracket bearing, the most tiltedly cut open support upper end and Guan Liang It is connected or is connected with building enclosure by enclosing purlin.
Combined inner supporting structure the most as claimed in claim 1, it is characterised in that: described building enclosure is externally provided with phase around foundation ditch The water-stop curtain of the closing of overlap joint mutually.
Combined inner supporting structure the most as claimed in claim 1, it is characterised in that: it is outside equipped with intercepting ditch at foundation ditch, in foundation ditch It is provided with weeper drain.
Combined inner supporting structure the most as claimed in claim 1, it is characterised in that: described horizontal inner supporting structure is armored concrete Support, steel pipe support or type steel support.
Combined inner supporting structure the most as claimed in claim 1, it is characterised in that: described vertical the most tiltedly cut open support be reinforced concrete support, Steel pipe support or type steel support.
Combined inner supporting structure the most as claimed in claim 5, it is characterised in that: described vertical the most tiltedly cut open support for steel pipe support, described Vertical the most tiltedly cut open support and enclose purlin by cast-in fixing bolt with bracket bearing and first and be effectively connected.
CN201620507539.0U 2016-05-27 2016-05-27 A kind of combined inner supporting structure Active CN205776249U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592606A (en) * 2017-01-19 2017-04-26 中铁开发投资有限公司 Foundation pit support construction method suitable for three-free-face building envelope
CN106894424A (en) * 2017-03-03 2017-06-27 周同和 A kind of short branch supporting system of basin excavation and its construction technology
CN107558665A (en) * 2017-10-07 2018-01-09 吕琳 A kind of novel ultralong lattice column
CN108252310A (en) * 2018-03-10 2018-07-06 浙江海北勘察股份有限公司 A kind of supporting construction and its construction method using Larsen steel sheet pile
CN109235448A (en) * 2018-10-11 2019-01-18 安徽省城建设计研究总院股份有限公司 A kind of horizontal arch shell foundation pit supporting method
CN109235447A (en) * 2018-10-11 2019-01-18 安徽省城建设计研究总院股份有限公司 A kind of horizontal arch shell foundation pit support device
CN111005388A (en) * 2019-12-12 2020-04-14 中冶天工集团有限公司 Deep foundation pit integral supporting device and supporting method thereof
CN111501772A (en) * 2020-04-10 2020-08-07 深圳市地质环境研究院有限公司 Construction method for supporting and protecting piles by combining grouting with steel pipes in SMW (soil mixing wall) construction method
CN112012223A (en) * 2020-08-27 2020-12-01 深圳市交通公用设施建设中心 Support stable strutting arrangement for foundation ditch construction
CN114232639A (en) * 2021-12-10 2022-03-25 中国一冶集团有限公司 Construction method for dismantling deep foundation pit support

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592606A (en) * 2017-01-19 2017-04-26 中铁开发投资有限公司 Foundation pit support construction method suitable for three-free-face building envelope
CN106894424A (en) * 2017-03-03 2017-06-27 周同和 A kind of short branch supporting system of basin excavation and its construction technology
CN107558665A (en) * 2017-10-07 2018-01-09 吕琳 A kind of novel ultralong lattice column
CN108252310A (en) * 2018-03-10 2018-07-06 浙江海北勘察股份有限公司 A kind of supporting construction and its construction method using Larsen steel sheet pile
CN109235448A (en) * 2018-10-11 2019-01-18 安徽省城建设计研究总院股份有限公司 A kind of horizontal arch shell foundation pit supporting method
CN109235447A (en) * 2018-10-11 2019-01-18 安徽省城建设计研究总院股份有限公司 A kind of horizontal arch shell foundation pit support device
CN111005388A (en) * 2019-12-12 2020-04-14 中冶天工集团有限公司 Deep foundation pit integral supporting device and supporting method thereof
CN111501772A (en) * 2020-04-10 2020-08-07 深圳市地质环境研究院有限公司 Construction method for supporting and protecting piles by combining grouting with steel pipes in SMW (soil mixing wall) construction method
CN112012223A (en) * 2020-08-27 2020-12-01 深圳市交通公用设施建设中心 Support stable strutting arrangement for foundation ditch construction
CN114232639A (en) * 2021-12-10 2022-03-25 中国一冶集团有限公司 Construction method for dismantling deep foundation pit support
CN114232639B (en) * 2021-12-10 2023-08-25 中国一冶集团有限公司 Construction method for post-dismantling of deep foundation pit support

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