CN202323960U - Shallow foundation pit forming construction structure capable of ensuring slope stability - Google Patents

Shallow foundation pit forming construction structure capable of ensuring slope stability Download PDF

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Publication number
CN202323960U
CN202323960U CN 201120470540 CN201120470540U CN202323960U CN 202323960 U CN202323960 U CN 202323960U CN 201120470540 CN201120470540 CN 201120470540 CN 201120470540 U CN201120470540 U CN 201120470540U CN 202323960 U CN202323960 U CN 202323960U
Authority
CN
China
Prior art keywords
slope
foundation
foundation pit
shallow
foundation ditch
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 - Fee Related
Application number
CN 201120470540
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Chinese (zh)
Inventor
王超华
宋连兴
李呈蔚
冯云
刘冠南
刁晓翔
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.)
TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd
Original Assignee
TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION 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
Application filed by TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd filed Critical TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd
Priority to CN 201120470540 priority Critical patent/CN202323960U/en
Application granted granted Critical
Publication of CN202323960U publication Critical patent/CN202323960U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a shallow foundation pit forming construction structure capable of ensuring the slope stability, which comprises a foundation pit with a slope, wherein a plurality of timber piles are vertically driven on the pit bottom of the foundation pit along the slope of the foundation pit; the plurality of timber piles are arranged in parallel and at intervals; and bamboo templates and sand bags are sequentially arranged between the timber piles and the slope of the foundation pile. Due to adoption of the structure, the shallow foundation pit forming construction structure has the advantages of convenience for operation, safety and reliability, strong applicability and capability of greatly shortening the construction period; and the slope toe can be protected under the combined action of the timber piles, the bamboo templates and the sand bags, thus the problem of slope slip occurring in the shallow foundation pit with excavated slope can be effectively solved.

Description

A kind of shallow foundation hole molding construction structure of guaranteeing stability of slope
Technical field
The utility model relates to guarantees the stable constructing structure of shallow foundation hole side slope toe, relates in particular to permission and necessarily puts the shallow foundation hole of slope excavation and behind excavation, guarantee the constructing structure that the side slope toe is stable.
Background technology
When building foundation pit is constructed, for guaranteeing construction safety, prevent that the landslide accident from taking place, must take supporting measure to the building foundation pit of excavation.The building foundation pit supporting design and construction should be taken all factors into consideration engineering geology and hydrogeological conditions, foundation ditch type, the excavation of foundation pit pick degree of depth, falls drainage condition, surrounding enviroment are to the requirement of foundation pit side-wall displacement; Factors such as all side loads of foundation ditch, construction seasons, supporting and protection structure useful life are accomplished appropriate design, well construction, economic security.And cheat supporting if supportings such as stereotyped employing deposited reinforced concrete pile, cement deep layer mixing, spray anchors for shallow foundation; These way costs are higher, use amount is big, long in time limit; Construction link is many, and the probability of employing the complicated generation of plant equipment potential safety hazard is very big naturally.Often cause the construction period long, cost is high and exist environment pollution also to increase development cost.Have with a certain distance from surrounding building for the shallow foundation hole; Allow necessarily to put the shallow foundation hole basement of slope excavation, should be directed against the engineering actual conditions, guaranteeing construction safety; Suitably adopt and put the slope excavation; And the shallow foundation hole of adopting timber and the acting in conjunction of sand bag to protect toe prevents the Slope Sliding job practices from greatly the reduction of erection time, to reduce cost.
Learn the patent of having authorized through retrieval:
1 application number is: the Chinese patent of CN201020129375.5 discloses " elevator shaft foundation ditch supporting pine pile structure " the utility model and has belonged to elevator shaft foundation ditch technical field; Relate to a kind of elevator shaft foundation ditch supporting pine pile structure; Vertical and be arranged at intervals with pine stake guardrail at elevator shaft foundation ditch perisporium; The bottom of the elevator shaft foundation ditch in pine stake guardrail is equipped with the stone bed course; On the stone bed course, built the concrete bed course, the inwall that in the elevator shaft foundation ditch, forms along pine stake guardrail is built has brick wall fence, is provided with the concrete collar tie beam at half place of brick wall fence height; Be filled with filler in the gap between brick wall fence and the pine stake guardrail, built the concrete that bears down on one in the upper end of brick wall fence and pine stake guardrail and the upper periphery of elevator shaft foundation ditch; Advantage is: cost is low, the duration is short, security performance is good, environment is not had influence; Be applicable to: the degree of depth of elevator shaft is in 2m~4m.
2 application numbers are: the Chinese patent of CN201010127272.X discloses " construction method for supporting pine pile in elevator shaft foundation pit "; The invention belongs to building elevator shaft Base hole supporting technology field; Relate to construction method for supporting pine pile in elevator shaft foundation pit; Include following steps: unwrapping wire-utilize excavator is pressed timber-establish top braces-shovelings and is made and cheats the end and support-lay bricks mould-dismounting top braces, build the concrete that bears down on one, and advantage is: cost is low, the duration is short, supporting effect is good, is applicable to coastal soft foundation; Soil property is mud or silt clay, and the digging depth in hole (elevator pit) is cheated support engineering at 3m in interior hole in the hole of building.
The Chinese patent of 3 application numbers: CN200810052889.2 discloses " forming method of large shallow foundation pit with soft soil foundation "; The present invention relates to a kind of forming method of large shallow foundation pit with soft soil foundation; Wherein this method comprises the steps: that (1) put the slope: the soil body in 1.5~2.0m scope under the foundation ditch face of land is put the slope handle; The gradient is 1: 1~1: 0.5, and upper side slope adopts 1: 3 cement mortar bank protection; (2) supporting: supporting and protection structure stake and Guan Liang are packed in by the foundation pit walls of putting behind the slope, and the supporting and protection structure stake is lower than the face of land 1.5~2.0m with hat back absolute altitude; (3) precipitation; (4) soil excavation; (5) end, hole reinforces: the foundation ditch bottom surface reinforces adopts the cement mixing method Flower-inserting type to arrange that reinforcement depth is 0.4~0.6 times of foundation depth, and the foundation ditch bottom surface reinforces back foundation ditch moulding and finishes.Job practices of the present invention is simple, and the moulding rear stability is good, and safety factor is high, is that a kind of shallow foundation of can effectively reinforcing is cheated the especially forming method in the dark 3.5~6m large tracts of land of soft foundation shallow foundation hole.
The elevator shaft foundation ditch supporting pine pile construction of above-mentioned 1-2 item patent all has a series of advantage, only is applicable to 3 meters with interior elevator shaft pattern foundation pit supporting structure, is not suitable for the supporting that allows the basement large tracts of land shallow foundation hole of necessarily putting the slope excavation.
Above-mentioned the 3rd patent forming method of large shallow foundation pit with soft soil foundation is different fully with this patent job practices, and the 3rd patent forming method of large shallow foundation pit with soft soil foundation cost is higher than the cost of this patent.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, a kind of shallow foundation hole molding construction structure of guaranteeing stability of slope that provides a kind of easy to operate, cost is low, the duration is short, safe and reliable timber and the acting in conjunction of sand bag to protect toe.
A kind of shallow foundation hole molding construction structure of guaranteeing stability of slope of the utility model; It comprises the foundation ditch with side slope; Dolly directly is equipped with many timbers in the hole of described foundation ditch along the side slope of foundation ditch; Parallel and the setting at interval of described many timbers is disposed with Bamboo Formwork and Sha Bao between the side slope of described many timbers and foundation ditch.
Employing the utility model structure is the reduction of erection time greatly; Reduce cost, easy to operate, safe and reliable, applicability is strong; Has the problem that the shallow foundation hole of putting the slope excavation produces Slope Sliding through adopting timber, Bamboo Formwork and the acting in conjunction of sand bag to protect toe, can effectively solving.
Description of drawings
Accompanying drawing is a kind of side slope generalized section of guaranteeing the shallow foundation hole molding construction structure of stability of slope of the utility model.
The specific embodiment
Below in conjunction with concrete embodiment, and, the utility model is done further explanation with reference to accompanying drawing:
A kind of shallow foundation hole molding construction structure of guaranteeing stability of slope in conjunction with accompanying drawing the utility model; It comprises the foundation ditch with side slope; Dolly directly is equipped with many timbers 3 in the hole of described foundation ditch along the side slope of foundation ditch; Parallel and the setting at interval of described many timbers is disposed with Bamboo Formwork 4 and sand bag 5 between the side slope of described many timbers and foundation ditch.
Preferably on the side slope surface of said foundation ditch, be covered with the layer of steel wire net, on described gauze wire cloth, be wiped with the pea gravel concreten layer.
The thickness of described pea gravel concreten layer is 45-55mm preferably.
Adopt this structure job practices can for: (1) emits excavation of foundation pit sideline 7 and does sign; (2) carrying out drainage of foundation pit precipitation makes groundwater table reduce to the foundation ditch substrate below 6; (3) carry out shallow foundation hole soil excavation until the desired depth that reaches foundation ditch substrate 6; (4) at side slope 1 domatic upper berth layer of steel wire net, on described gauze wire cloth, smear concrete; (5) along the side slope of foundation ditch in the hole of described foundation ditch dolly directly squeeze into many timbers, described many timbers are parallel and be provided with at interval; (6) between described timber 3 back sides and side slope 1, be disposed with Bamboo Formwork 4, sand bag 5.Certainly can construct simultaneously in step (4) and (5).

Claims (3)

1. a shallow foundation of guaranteeing stability of slope is cheated the molding construction structure; It comprises the foundation ditch with side slope; It is characterized in that: dolly directly is equipped with many timbers in the hole of described foundation ditch along the side slope of foundation ditch; Parallel and the setting at interval of described many timbers is disposed with Bamboo Formwork and Sha Bao between the side slope of described many timbers and foundation ditch.
2. the shallow foundation hole molding construction structure of guaranteeing stability of slope according to claim 1 is characterized in that: on the side slope surface of said foundation ditch, be covered with the layer of steel wire net, on described gauze wire cloth, be wiped with the pea gravel concreten layer.
3. the shallow foundation hole molding construction structure of guaranteeing stability of slope according to claim 2, it is characterized in that: the thickness of described pea gravel concreten layer is 45-55mm.
CN 201120470540 2011-11-23 2011-11-23 Shallow foundation pit forming construction structure capable of ensuring slope stability Expired - Fee Related CN202323960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120470540 CN202323960U (en) 2011-11-23 2011-11-23 Shallow foundation pit forming construction structure capable of ensuring slope stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120470540 CN202323960U (en) 2011-11-23 2011-11-23 Shallow foundation pit forming construction structure capable of ensuring slope stability

Publications (1)

Publication Number Publication Date
CN202323960U true CN202323960U (en) 2012-07-11

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Family Applications (1)

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CN 201120470540 Expired - Fee Related CN202323960U (en) 2011-11-23 2011-11-23 Shallow foundation pit forming construction structure capable of ensuring slope stability

Country Status (1)

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CN (1) CN202323960U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767159A (en) * 2012-08-02 2012-11-07 福州市规划设计研究院 Strengthening method for existing revetments of urban river
CN103938635A (en) * 2014-03-27 2014-07-23 巨匠建设集团有限公司 Method for conducting foundation pit bevel bed course construction by adopting inverted trapezoidal template
CN104631453A (en) * 2014-12-25 2015-05-20 青岛理工大学 Method for measuring optimal incident dip angle for reinforcing slope anchor rod
CN104790409A (en) * 2015-04-24 2015-07-22 长沙理工大学 Method for adjusting friction force influence

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102767159A (en) * 2012-08-02 2012-11-07 福州市规划设计研究院 Strengthening method for existing revetments of urban river
CN103938635A (en) * 2014-03-27 2014-07-23 巨匠建设集团有限公司 Method for conducting foundation pit bevel bed course construction by adopting inverted trapezoidal template
CN104631453A (en) * 2014-12-25 2015-05-20 青岛理工大学 Method for measuring optimal incident dip angle for reinforcing slope anchor rod
CN104790409A (en) * 2015-04-24 2015-07-22 长沙理工大学 Method for adjusting friction force influence
CN104790409B (en) * 2015-04-24 2017-04-12 长沙理工大学 Method for adjusting friction force influence

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C14 Grant of patent or utility model
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: 20120711

Termination date: 20161123