CN206941608U - A kind of diaphram wall foundation pit supporting construction - Google Patents

A kind of diaphram wall foundation pit supporting construction Download PDF

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Publication number
CN206941608U
CN206941608U CN201720823451.4U CN201720823451U CN206941608U CN 206941608 U CN206941608 U CN 206941608U CN 201720823451 U CN201720823451 U CN 201720823451U CN 206941608 U CN206941608 U CN 206941608U
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China
Prior art keywords
diaphram wall
bottom plate
foundation pit
anchor
supporting construction
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CN201720823451.4U
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Chinese (zh)
Inventor
周清
王�章
赵行立
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Shenzhen One Construction Engineering Co Ltd
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Shenzhen One Construction Engineering Co Ltd
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Abstract

The utility model discloses a kind of diaphram wall foundation pit supporting construction, including the diaphram wall enclosed, the diaphram wall is cast with grouting and reinforcing body in the region that encloses on ground, the end face of the grouting and reinforcing body is fixed with the more bottom plates perpendicular to diaphram wall length direction, the two opposite side walls of the every bottom plate and diaphram wall are inconsistent and are uniformly distributed along diaphram wall length direction, the every equal joggle of bottom plate has two support bars for being located at bottom plate both sides respectively, the one end of two support bars away from bottom plate sets with diaphram wall and formed in angle and is interference fitted.The utility model has the advantages that:Make diaphram wall that there is stronger steadiness.

Description

A kind of diaphram wall foundation pit supporting construction
Technical field
A kind of foundation pit supporting construction is the utility model is related to, more specifically it is related to a kind of diaphram wall pattern foundation pit supporting structure Structure.
Background technology
Foundation ditch is to build the basis of building or basement, the pipeline of the embedded municipal works and exploitation underground space The hole of the below ground excavated.To ensure the smooth construction and periphery underground installation, the safety of building of foundation ditch, generally in base Setting supporting construction between foundation pit side-wall, diaphram wall is one kind in foundation pit supporting construction and at present in base pit engineering in hole More and more applied, because diaphram wall not only serves as soil-baffling structure and prevents the soil outside foundation pit side-wall into foundation ditch It is mobile, prevent the water outside foundation pit side-wall from flowing into foundation ditch as water-stop curtain, and diaphram wall can be used as skin.
Notification number discloses the deep foundation pit support knot under a kind of Karst Geology for CN204174626 Chinese patent Structure, the deep foundation pit supporting structure by enclose diaphram wall, be cast in diaphram wall and enclose the horizontal grouting in region and add Solid forms.Basement process is carried out for Foundation Pit bottom region by the way of slip casting, grouting and reinforcing body is formed, can effectively cut off The passage of bottom Karst-fissure water is cheated, solve hole bottom emits water problems.Using cement-silicate as injecting paste material, cement mortar quilt can be prevented Underground water erosion, improve the water blockoff barrier performance of grouting and reinforcing body.
Although this supporting construction strengthens barrier performance, but the supporting construction uses additionally to diaphram wall Supporting construction, for the stability Shortcomings of diaphram wall, have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide and a kind of had more to diaphram wall There is the diaphram wall foundation pit supporting construction of supporting role.
To achieve the above object, the utility model provides following technical scheme:
A kind of diaphram wall foundation pit supporting construction, including the diaphram wall enclosed, the diaphram wall is in ground The region that encloses be cast with grouting and reinforcing body, the end face of the grouting and reinforcing body is fixed with more perpendicular to diaphram wall length The bottom plate in direction, the two opposite side walls of the every bottom plate and diaphram wall are inconsistent and equal along diaphram wall length direction Even distribution, the every equal joggle of bottom plate have two support bars for being located at bottom plate both sides respectively, and two support bars are the bottom of away from One end of plate sets with diaphram wall and formed in angle and is interference fitted.
By using above-mentioned technical proposal, two support bars are formed with diaphram wall and are interference fitted, while bottom plate is produced Raw opposite extruding force, because bottom plate is fixed on grouting and reinforcing body, and then makes the extruding force can not bend bottom plate, by bottom plate Portion's stress resists the two extruding forces, and then support bar is had stronger steadiness.
The utility model is further arranged to:The upper end of the two opposite side walls of the diaphram wall also contradicted more with The parallel horizon bar of bottom plate, the every horizon bar are set in distance with bottom plate.
By using above-mentioned technical proposal, the steadiness of diaphram wall upper end is strengthened by horizon bar, at the same it is horizontal The interval setting of bar and bottom plate make horizon bar and bottom plate be more uniformly stressed so that the stabilization of improve the standard bar and bottom plate itself Property, so as to improve the steadiness of diaphram wall indirectly.
The utility model is further arranged to:The both ends of the every horizon bar are provided with reinforcement, the reinforcement Two are provided with the end of every horizon bar and are located at the upper and lower both sides of horizon bar respectively.
By using above-mentioned technical proposal, it is firm on diaphram wall that horizon bar is improved by the setting of reinforcement Property, so as to strengthen the steadiness of diaphram wall indirectly.
The utility model is further arranged to:The more anchor poles penetrated in foundation ditch are further fixed in the diaphram wall, The every anchor pole is tilted down setting.
By using above-mentioned technical proposal, the compactness being connected by anchor pole reinforcement diaphram wall with foundation ditch, while anchor The characteristic that bar is difficult to extract strengthens the steadiness of diaphram wall, and anchor pole be obliquely installed than it is horizontally disposed have it is stronger Anchor force, it further enhancing the steadiness of diaphram wall.
The utility model is further arranged to:The every anchor pole is arranged to grouted anchor bar.
By using above-mentioned technical proposal, the anchor bar body of grouted anchor bar uses hollow design, and body of rod mesopore is noted as drilling Passage is starched, with solid hopkinson bar body phase ratio, hollow stem design can obtain more preferable rigidity and shearing strength, and injecting paste material adds anchor The bond area of the body of rod and injecting paste material enhances the steadiness of diaphram wall so as to improve anchor force.
The utility model is further arranged to:Anchor net is provided between the anchor pole and diaphram wall, the anchor pole is naked The one end being exposed to outside foundation ditch is fixedly connected with supporting plate, and the supporting plate area is more than the mesh area of anchor net, and the supporting plate area is big In anchor net mesh area and anchor net is fixed on by foundation pit side-wall by supporting plate.
By using above-mentioned technical proposal, every anchor pole and anchor net is set to form an entirety, while by anchor pole by anchor net Be fixed on foundation pit side-wall, even if having an anchor pole release also can by the drawing of anchor net by anchor pole be fixed in foundation ditch without Depart from.
In summary, the utility model has the advantages that:
1. make diaphram wall that there is stronger steadiness.
Brief description of the drawings
Fig. 1 is embodiment sectional view.
Description of reference numerals:1st, anchor pole;2nd, supporting plate;3rd, anchor net;4th, diaphram wall;5th, grouting and reinforcing body;6th, bottom plate;7、 Support bar;8th, horizon bar;9th, reinforcement.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of diaphram wall foundation pit supporting construction, including the more anchor poles 1 for squeezing into foundation pit side-wall, it is described Anchor pole 1, which is tilted down, penetrates foundation ditch.One end that the anchor pole 1 is exposed on the outside of foundation ditch, which is set, is fixedly connected with supporting plate 2, described Anchor net 3 is provided between supporting plate 2 and foundation ditch, the mesh area of the anchor net 3 is less than the area of supporting plate 2, and the anchor pole 1 passes through support Anchor net 3 is fixed on foundation pit side-wall by plate 2.
The diaphram wall 4 enclosed, the diaphram wall 4 are further formed by gunite concrete on the anchor net 3 An entirety is formed with anchor net 3 and anchor pole 1, makes diaphram wall 4 more firm because the tension of anchor pole 1 goes out characteristic, and anchor More anchor poles 1 are combined on anchor net 3 and make every anchor pole 1 all by the limit of periphery anchor pole 1 by the traction force of anchor net 3 by net 3 System, it further enhancing to the firm of diaphram wall 4.The anchor pole 1 is further arranged to grouted anchor bar, grouted anchor bar The body of rod uses hollow design, and body of rod mesopore is as drilling slip casting passage, and with solid hopkinson bar body phase ratio, hollow stem design can obtain more preferable Rigidity and shearing strength, and injecting paste material adds the bond area of the body of rod and injecting paste material so as to improve anchor force, enters And enhance the steadiness of diaphram wall 4.The diaphram wall 4 is cast with for water blockoff antiseepage in the region that encloses on ground Grouting and reinforcing body 5, and then prevent the erosion of diaphragm wall 4 under Groundwater, ensure the stability of diaphram wall 4.
The grouting and reinforcing body 5 is further fixedly connected with the more bottoms inconsistent with the two opposite side walls of diaphram wall 4 Plate 6, the perpendicular long side of diaphram wall 4 of bottom plate 6 set and are uniformly distributed along the length direction of diaphram wall 4.Every Joggle has two support bars 7 respectively for the both sides of the bottom plate 6, and two positions of support bar 7 are relative, structure and connected mode phase Together.The support bar 7 is located at same level with bottom plate 6 in short transverse, and the one end of support bar 7 away from bottom plate 6 connects with underground Continuous wall 4 sets in angle and forms interference fit.
The two opposite side walls upper end of the diaphram wall 4 be further equipped with more both ends respectively with diaphram wall 4 Two opposite side walls it is inconsistent and form the horizon bar 8 of interference fit, the horizon bar 8 is parallel with bottom plate 6 and with bottom plate 6 is in Uniform intervals are arranged, and the upper end of diaphram wall 4 is reinforced by more horizon bars 8, is further ensured that diaphram wall 4 Steadiness.The both ends of the every horizon bar 8 are provided with reinforcement 9, and the reinforcement 9 is in the end of every horizon bar 8 It is provided with two and is located at the upper and lower both sides of horizon bar 8 respectively.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, it is all in this practicality Within new design concept, any modification, equivalent substitution and improvements made etc., protection of the present utility model should be included in Within the scope of.

Claims (6)

1. a kind of diaphram wall foundation pit supporting construction, including the diaphram wall (4) enclosed, the diaphram wall (4) in The region that encloses on ground is cast with grouting and reinforcing body (5), it is characterised in that:The end face of the grouting and reinforcing body (5) is fixed with more For root perpendicular to the bottom plate (6) of diaphram wall (4) length direction, the every bottom plate (6) is relative with the two of diaphram wall (4) Side wall is inconsistent and is uniformly distributed along diaphram wall (4) length direction, and the every bottom plate (6) joggle has two difference positions Support bar (7) in bottom plate (6) both sides, the one end of two support bars (7) away from bottom plate (6) are in diaphram wall (4) Angle sets and forms interference fit.
A kind of 2. diaphram wall foundation pit supporting construction according to claim 1, it is characterised in that:The diaphram wall (4) upper end of two opposite side walls also contradicts the more horizon bars (8) parallel with bottom plate (6), the every horizon bar (8) It is set in distance with bottom plate (6).
A kind of 3. diaphram wall foundation pit supporting construction according to claim 2, it is characterised in that:The every horizon bar (8) both ends are provided with reinforcement (9), and the reinforcement (9) is provided with two in the end of every horizon bar (8) and divided Not Wei Yu horizon bar (8) upper and lower both sides.
A kind of 4. diaphram wall foundation pit supporting construction according to claim 1, it is characterised in that:The diaphram wall (4) the more anchor poles penetrated in foundation ditch (1) are further fixed in, the every anchor pole (1) is tilted down setting.
A kind of 5. diaphram wall foundation pit supporting construction according to claim 4, it is characterised in that:The every anchor pole (1) it is arranged to grouted anchor bar.
A kind of 6. diaphram wall foundation pit supporting construction according to claim 4, it is characterised in that:The anchor pole (1) with Anchor net (3) is provided between diaphram wall (4), one end that the anchor pole (1) is exposed to outside foundation ditch is fixedly connected with supporting plate (2), supporting plate (2) area is more than the mesh area of anchor net (3), and supporting plate (2) area is more than the mesh area of anchor net (3) And anchor net (3) is fixed on by foundation pit side-wall by supporting plate (2).
CN201720823451.4U 2017-07-10 2017-07-10 A kind of diaphram wall foundation pit supporting construction Active CN206941608U (en)

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Application Number Priority Date Filing Date Title
CN201720823451.4U CN206941608U (en) 2017-07-10 2017-07-10 A kind of diaphram wall foundation pit supporting construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720823451.4U CN206941608U (en) 2017-07-10 2017-07-10 A kind of diaphram wall foundation pit supporting construction

Publications (1)

Publication Number Publication Date
CN206941608U true CN206941608U (en) 2018-01-30

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230316A (en) * 2019-06-13 2019-09-13 黄河交通学院 A kind of civil engineering foundation pit support device
CN110374191A (en) * 2019-07-31 2019-10-25 同济大学建筑设计研究院(集团)有限公司 A kind of outer wall of basement component and its construction method with protective function
CN111305232A (en) * 2020-03-31 2020-06-19 南京地下空间高技术产业研究院有限公司 A foundation ditch protection strutting arrangement for construction of old city district
CN113494310A (en) * 2020-04-06 2021-10-12 永城煤电控股集团有限公司 Protective device for roadway construction and using method
CN114059523A (en) * 2021-12-03 2022-02-18 中国矿业大学 Plastic concrete underground diaphragm wall anchoring and grouting integrated structure and construction method
CN115404876A (en) * 2022-08-29 2022-11-29 中国路桥工程有限责任公司 Foundation pit supporting structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230316A (en) * 2019-06-13 2019-09-13 黄河交通学院 A kind of civil engineering foundation pit support device
CN110374191A (en) * 2019-07-31 2019-10-25 同济大学建筑设计研究院(集团)有限公司 A kind of outer wall of basement component and its construction method with protective function
CN111305232A (en) * 2020-03-31 2020-06-19 南京地下空间高技术产业研究院有限公司 A foundation ditch protection strutting arrangement for construction of old city district
CN111305232B (en) * 2020-03-31 2022-01-04 南京地下空间高技术产业研究院有限公司 A foundation ditch protection strutting arrangement for construction of old city district
CN113494310A (en) * 2020-04-06 2021-10-12 永城煤电控股集团有限公司 Protective device for roadway construction and using method
CN114059523A (en) * 2021-12-03 2022-02-18 中国矿业大学 Plastic concrete underground diaphragm wall anchoring and grouting integrated structure and construction method
CN114059523B (en) * 2021-12-03 2022-06-03 中国矿业大学 Plastic concrete underground diaphragm wall anchoring and grouting integrated structure and construction method
CN115404876A (en) * 2022-08-29 2022-11-29 中国路桥工程有限责任公司 Foundation pit supporting structure

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