CN103276739A - Foundation pit supporting structure with oblique support and pre-stress surrounding purlin - Google Patents

Foundation pit supporting structure with oblique support and pre-stress surrounding purlin Download PDF

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Publication number
CN103276739A
CN103276739A CN2013102647346A CN201310264734A CN103276739A CN 103276739 A CN103276739 A CN 103276739A CN 2013102647346 A CN2013102647346 A CN 2013102647346A CN 201310264734 A CN201310264734 A CN 201310264734A CN 103276739 A CN103276739 A CN 103276739A
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CN
China
Prior art keywords
prestressing force
oblique
purlin
foundation pit
steel
Prior art date
Application number
CN2013102647346A
Other languages
Chinese (zh)
Inventor
魏建华
刘全林
宋伟民
Original Assignee
上海强劲地基工程股份有限公司
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.)
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Publication date
Application filed by 上海强劲地基工程股份有限公司 filed Critical 上海强劲地基工程股份有限公司
Priority to CN2013102647346A priority Critical patent/CN103276739A/en
Publication of CN103276739A publication Critical patent/CN103276739A/en

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Abstract

The invention provides a foundation pit supporting structure with an oblique support and a pre-stress surrounding purlin. An enclosure wall and an oblique steel support are arranged inside the foundation pit supporting structure; the enclosure wall is connected with the pre-stress surrounding purlin which is connected with one end of the oblique steel support; and the other end of the oblique steel support is connected with a base plate of a foundation pit. The foundation pit supporting structure with the oblique support and the pre-stress surrounding purlin has the advantages of substantially reducing the length and number of supports, saving materials and construction costs and being short in construction period and large in construction space.

Description

A kind ofly have a foundation pit supporting construction that oblique support and prestressing force enclose purlin
Technical field
The present invention relates to technical field of civil engineering, particularly a kind ofly have a foundation pit supporting construction that oblique support and prestressing force enclose purlin.
Background technology
The soft clay area base pit engineering generally adopts the supporting type that supports in the level, but for the large-scale excavation engineering, huge support system is set, engineering cost height, densely covered interior support influence construction, and the involving great expense of interior support, support post and stand column pile three.Therefore, need a kind of simple, feasible supporting type of design, satisfy the requirement of economy, safety, convenient construction.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the problem that exists in the existing pattern foundation pit supporting structure, and a kind of foundation pit supporting construction that has oblique brace summer is provided.
In order to address the above problem, technical scheme of the present invention is such:
A kind ofly have a foundation pit supporting construction that oblique support and prestressing force enclose purlin, be provided with enclosure wall, the support of oblique steel in the foundation pit supporting construction, enclosure wall is connected with prestressing force and encloses purlin, prestressing force encloses purlin and connects oblique steel and support an end, oblique steel supports the base plate that the other end connects foundation ditch, and oblique steel supports and is provided with the prestressing force charger.
Described prestressing force encloses purlin and encloses purlin for steel work prestressing force, and it comprises lower edge beam, web member and the flexible muscle of the prestressing force that winds up; The web member lower end is fixed on the lower edge beam, and the upper end contacts with the flexible muscle slidingtype of the prestressing force that winds up, and the two ends of the flexible muscle of prestressing force are separately fixed on the two ends of lower edge beam, form a fish belly shape structure; Oblique steel support and connection lower edge beam, prestressing force encloses purlin and is provided with the prestressing force charger.
Described lower edge beam is reinforced concrete beam.
Base plate of foundation pit is provided with the steel concrete bracket, and oblique steel supports and is connected with the steel concrete bracket.
It is horizontal positioned that prestressing force encloses purlin.
It is oblique placement down that prestressing force encloses purlin.
Prestressing force encloses the purlin below and is provided with column.This column is used for constraint prestressing force and encloses the displacement of purlin vertical direction.
Described oblique steel is supported for a H shaped steel or many H shaped steel combinations.
Described oblique steel is supported for a steel pipe or many steel pipe combinations.
Beneficial effect, foundation pit supporting construction of the present invention, it increases oblique brace summer enclosing purlin, significantly reduces length and the quantity that supports, and makes foundation ditch safe, be out of shape for a short time, and structural safety is stablized.Save material, save cost, the duration is short, construction space is big.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is foundation pit supporting construction floor map of the present invention.
Fig. 2 is foundation pit supporting construction elevational schematic view of the present invention.
Fig. 3 is embodiment 3 described foundation pit supporting construction elevational schematic view.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1 and Fig. 2, a kind ofly have a foundation pit supporting construction that oblique support and prestressing force enclose purlin, be provided with enclosure wall 1, oblique steel support 2 in the foundation pit supporting construction, be connected with prestressing force on the enclosure wall 1 and enclose purlin 3, prestressing force encloses the oblique steel of purlin 3 connections and supports 2 one ends, and oblique steel supports the base plate 4 that 2 other ends connect foundation ditch.
Base plate of foundation pit 4 is provided with steel concrete bracket 5, and steel concrete bracket 5 has an inclined-plane, and it is vertical that this inclined-plane and oblique steel support, and oblique steel support 2 is connected with the inclined-plane of steel concrete bracket 5.
Oblique steel supports 2 and is provided with prestressing force charger 7, and prestressing force charger 7 is positioned at the bracket position, and prestressing force charger 7 applies prestressing force and is used for offsetting soil pressure from the foundation ditch outside.Prestressing force charger 7 is similar devices such as self-locking jack.
It is a H shaped steel or many H shaped steel combinations that described oblique steel supports 2, is single H shaped steel shown in the figure, can decide the quantity of H shaped steel according to the size of bearing capacity.
Again or described oblique steel to support 2 be a steel pipe or many steel pipes combinations, can decide the quantity of steel pipe according to the size of bearing capacity.
Described prestressing force encloses purlin and encloses purlin for steel work prestressing force, and it comprises lower edge beam 31, web member 32 and the flexible muscle 33 of the prestressing force that winds up; Web member 32 lower ends are fixed on the lower edge beam 31, and the upper end contacts with flexible muscle 33 slidingtypes of the prestressing force that winds up, and the two ends of the flexible muscle 33 of prestressing force are separately fixed on the two ends of lower edge beam 31, form a fish belly shape structure; Oblique steel supports 2 and connects lower edge beams 31, and prestressing force encloses and also is provided with the prestressing force charger on the purlin, is used for the stretch-draw flexible muscle 33 of prestressing force that winds up.
Prestressing force encloses purlin 3 belows and is provided with column 6.This column is used for constraint prestressing force and encloses the displacement of purlin vertical direction.
Described lower edge beam 31 is reinforced concrete beam, and reinforced concrete beam is set can increase lower edge beam rigidity.
Prestressing force encloses purlin 3 and is horizontal positioned.
Embodiment 2, and referring to Fig. 3, prestressing force encloses purlin 3 to be placed down for oblique, and all the other are with embodiment 1.
Present embodiment is described to have the foundation pit supporting construction that oblique support and prestressing force enclose purlin, can significantly reduce length and the quantity of support, its support stiffness is big, span big, little, the easy construction of distortion, and the recyclable utilization of steel support section, foundation ditch safety factor height has reached the reduction of erection time, has reduced the purpose of construction costs.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention 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 invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (9)

1. one kind has the foundation pit supporting construction that oblique support and prestressing force enclose purlin, be provided with enclosure wall, the support of oblique steel in the foundation pit supporting construction, it is characterized in that, enclosure wall is connected with prestressing force and encloses purlin, prestressing force encloses purlin and connects oblique steel and support an end, oblique steel supports the base plate that the other end connects foundation ditch, and oblique steel supports and is provided with the prestressing force charger.
2. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 1 is characterized in that described prestressing force encloses purlin and encloses purlin for steel work prestressing force, and it comprises lower edge beam, web member and the flexible muscle of the prestressing force that winds up; The web member lower end is fixed on the lower edge beam, and the upper end contacts with the flexible muscle slidingtype of the prestressing force that winds up, and the two ends of the flexible muscle of prestressing force are separately fixed on the two ends of lower edge beam, form a fish belly shape structure; Oblique steel support and connection lower edge beam; Prestressing force encloses purlin and is provided with the prestressing force charger.
3. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 2 is characterized in that described lower edge beam is reinforced concrete beam.
4. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 1 is characterized in that base plate of foundation pit is provided with the steel concrete bracket, and oblique steel supports and is connected with the steel concrete bracket.
5. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 1 is characterized in that it is horizontal positioned that prestressing force encloses purlin.
6. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 1 is characterized in that, it is obliquely to place down that prestressing force encloses purlin.
7. according to claim 5 or 6 described a kind of foundation pit supporting constructions that oblique support and prestressing force enclose purlin that have, it is characterized in that prestressing force encloses the purlin below and is provided with column.
8. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 1 is characterized in that, described oblique steel is supported for a H shaped steel or many H shaped steel combinations.
9. a kind of foundation pit supporting construction that oblique support and prestressing force enclose purlin that has according to claim 1 is characterized in that, described oblique steel is supported for a steel pipe or many steel pipes combinations.
CN2013102647346A 2013-06-28 2013-06-28 Foundation pit supporting structure with oblique support and pre-stress surrounding purlin CN103276739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102647346A CN103276739A (en) 2013-06-28 2013-06-28 Foundation pit supporting structure with oblique support and pre-stress surrounding purlin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013102647346A CN103276739A (en) 2013-06-28 2013-06-28 Foundation pit supporting structure with oblique support and pre-stress surrounding purlin

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CN103276739A true CN103276739A (en) 2013-09-04

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981871A (en) * 2014-05-28 2014-08-13 德清鑫德机械有限公司 Angle brace structure for supporting of foundation pit
CN104032754A (en) * 2014-06-10 2014-09-10 德清鑫德机械有限公司 Strut connecting piece of foundation pit opposite-supporting device
CN104032746A (en) * 2014-06-10 2014-09-10 德清鑫德机械有限公司 Support filler block structure of foundation pit reflex angular position
CN104032745A (en) * 2014-06-10 2014-09-10 德清鑫德机械有限公司 Opposite supporting structure in foundation pit reflex angle position
CN104532850A (en) * 2014-12-17 2015-04-22 厦门科思泰建筑科技有限公司 Foundation pit supporting system
CN105908750A (en) * 2016-04-21 2016-08-31 东通岩土科技(杭州)有限公司 Sway rod profile steel supporting system for foundation pit
CN107386299A (en) * 2017-08-21 2017-11-24 中国二十冶集团有限公司 Foundation ditch supports concrete construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2647920Y (en) * 2003-07-23 2004-10-13 顺德市永基建筑基础有限公司 Diagonal post supporting ground hole for construction
CN101294390A (en) * 2007-04-27 2008-10-29 上海市第五建筑有限公司 Support system and construction method for smoothening-digging partial center island foundation pit
KR20090002344A (en) * 2007-06-28 2009-01-09 (주)바로건설기술 Land-side protection wall that use ground structure
CN201794079U (en) * 2010-09-26 2011-04-13 济南大学 Foundation pit supporting system
CN202755368U (en) * 2012-09-25 2013-02-27 上海新强劲工程技术有限公司 Long span pre-stressing force fish-belly beam used for retaining and protecting foundation pit
CN203307825U (en) * 2013-06-28 2013-11-27 上海强劲地基工程股份有限公司 Foundation pit retaining structure with inclined support and pre-stress enclosure purlin

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2647920Y (en) * 2003-07-23 2004-10-13 顺德市永基建筑基础有限公司 Diagonal post supporting ground hole for construction
CN101294390A (en) * 2007-04-27 2008-10-29 上海市第五建筑有限公司 Support system and construction method for smoothening-digging partial center island foundation pit
KR20090002344A (en) * 2007-06-28 2009-01-09 (주)바로건설기술 Land-side protection wall that use ground structure
CN201794079U (en) * 2010-09-26 2011-04-13 济南大学 Foundation pit supporting system
CN202755368U (en) * 2012-09-25 2013-02-27 上海新强劲工程技术有限公司 Long span pre-stressing force fish-belly beam used for retaining and protecting foundation pit
CN203307825U (en) * 2013-06-28 2013-11-27 上海强劲地基工程股份有限公司 Foundation pit retaining structure with inclined support and pre-stress enclosure purlin

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981871A (en) * 2014-05-28 2014-08-13 德清鑫德机械有限公司 Angle brace structure for supporting of foundation pit
CN103981871B (en) * 2014-05-28 2016-01-06 德清鑫德机械有限公司 A kind of gusset form for pattern foundation pit supporting structure
CN104032746A (en) * 2014-06-10 2014-09-10 德清鑫德机械有限公司 Support filler block structure of foundation pit reflex angular position
CN104032745A (en) * 2014-06-10 2014-09-10 德清鑫德机械有限公司 Opposite supporting structure in foundation pit reflex angle position
CN104032754B (en) * 2014-06-10 2016-01-06 德清鑫德机械有限公司 A kind of foundation ditch is to the strut connector of support arrangement
CN104032745B (en) * 2014-06-10 2016-01-06 德清鑫德机械有限公司 A kind of foundation ditch angle position to support supporting and protection structure
CN104032754A (en) * 2014-06-10 2014-09-10 德清鑫德机械有限公司 Strut connecting piece of foundation pit opposite-supporting device
CN104032746B (en) * 2014-06-10 2016-04-06 德清鑫德机械有限公司 A kind of supporting fill block structure of foundation ditch angle position
CN104532850A (en) * 2014-12-17 2015-04-22 厦门科思泰建筑科技有限公司 Foundation pit supporting system
CN105908750A (en) * 2016-04-21 2016-08-31 东通岩土科技(杭州)有限公司 Sway rod profile steel supporting system for foundation pit
CN105908750B (en) * 2016-04-21 2018-01-02 东通岩土科技(杭州)有限公司 Foundation ditch brace type steel support system
CN107386299A (en) * 2017-08-21 2017-11-24 中国二十冶集团有限公司 Foundation ditch supports concrete construction method

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Application publication date: 20130904