CN208023587U - Water-stop curtain and foundation pit - Google Patents

Water-stop curtain and foundation pit Download PDF

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Publication number
CN208023587U
CN208023587U CN201820247727.3U CN201820247727U CN208023587U CN 208023587 U CN208023587 U CN 208023587U CN 201820247727 U CN201820247727 U CN 201820247727U CN 208023587 U CN208023587 U CN 208023587U
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China
Prior art keywords
reinforcement
stake
water
reinforcement stake
group
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Expired - Fee Related
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CN201820247727.3U
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Chinese (zh)
Inventor
刘泽山
李国锋
柏鹏
张友利
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First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
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First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
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Priority to CN201820247727.3U priority Critical patent/CN208023587U/en
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Publication of CN208023587U publication Critical patent/CN208023587U/en
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Abstract

The utility model is related to the technical fields of building, more particularly, to a kind of water-stop curtain and foundation pit.The water-stop curtain includes:Single multiple cement mixing piles are lined up, and are mutually twisted between every two adjacent cement mixing piles, multiple first occlusal areas are formed;In part, the outside of the first occlusal area is equipped with the reinforcement stake group that multilayer is used to carry out reinforcement, and every layer of reinforcement stake group includes multiple reinforcement stakes, and the reinforcement stake of the reinforcement stake group close to cement mixing pile is engaged with the first occlusal area;The adjacent reinforcement stake of same layer is mutually glued, each reinforcement stake of the reinforcement stake group of outer layer and two adjacent reinforcement stakes of the reinforcement stake group of adjacent inner layer are mutually twisted, the water-stop curtain is solved in the position of the cement mixing pile performance difficulty position that either curtain pile driving construction interrupts, the technical issues of causing overlap joint weak, being susceptible to leak.

Description

Water-stop curtain and foundation pit
Technical field
The utility model is related to the technical fields of building, more particularly, to a kind of water-stop curtain and foundation pit.
Background technology
With the continuous development of the underground space, more and more base pit engineerings are emerged, currently, base pit engineering cutting depth It is increasingly common to reach 20~30m, and is directed to base pit dewatering problem, widely used well-points dewatering now is mutually tied with water-stop curtain The method of conjunction reduces level of ground water in foundation pit.Water-stop curtain is the general name of project subject periphery sealing series, is for preventing Or it reduces foundation pit side-wall and foundation pit bottom underground water and flows into foundation pit and the continuous water-stop body taken.For example, stake is continuously stirred, single tube, The seepproof screen that three pipe rotary churning piles are formed is known as water-stop curtain.If foundation pit bottom surface is in level of ground water hereinafter, when precipitation is had any problem, Substantially it is required for setting water-stop curtain, to prevent the leakage of underground water.
But in the position of the cement mixing pile performance difficulty position that either curtain pile driving construction interrupts, cause to overlap thin It is weak, it is susceptible to leak.
Utility model content
The purpose of this utility model is to provide water-stop curtain, to alleviate in the position of cement mixing pile performance difficulty or The technical issues of being the position that curtain pile driving construction interrupts, causing overlap joint weak, be susceptible to leak.
Water-stop curtain provided by the utility model, including single multiple cement mixing piles are lined up, and per adjacent two It is mutually twisted between the cement mixing pile, forms multiple first occlusal areas;
In part, the outside of first occlusal area is equipped with the reinforcement stake group that multilayer is used to carry out reinforcement, every layer of reinforcement Stake group includes multiple reinforcement stakes, and the reinforcement stake close to the reinforcement stake group of the cement mixing pile and first occlusal area Occlusion;
The adjacent reinforcement stake of same layer is mutually glued, each described reinforcement stake of the reinforcement stake group of outer layer and phase Two adjacent reinforcement stakes of the reinforcement stake group of adjacent internal layer are mutually twisted.
Two phases of each described reinforcement stake and the reinforcement stake group of adjacent inner layer of the reinforcement stake group of outer layer The engagement region of the adjacent reinforcement stake is mutually glued.
Further, the reinforcement stake group of internal layer is one more than the reinforcement stake group of adjacent outward layer.
Further, the reinforcement stake group includes the first reinforcement stake group, the second reinforcement stake group and third benefit from inside to outside Strong stake group;The first reinforcement stake group includes three reinforcement stakes, and is mutually twisted with the first occlusal area positioned at intermediate reinforcement stake; The second reinforcement stake group includes two reinforcement stakes, and the third reinforcement stake group includes a reinforcement stake.
Further, the cement mixing pile is three axis cement mixing piles, and the stake diameter of the three axis cement mixing pile is 850mm。
Further, the occlusion position of the three axis cement mixing pile is the 1/4~1/3 of stake diameter.
Further, the reinforcement stake is dual pipe high-pressure rotary jet grouting pile, and the stake diameter of the dual pipe high-pressure rotary jet grouting pile is 600mm。
Further, the occlusion position of the dual pipe high-pressure rotary jet grouting pile is the 1/4~1/3 of stake diameter.
Further, the dual pipe high-pressure rotary jet grouting pile uses 42.5 grades of Portland cements.
Compared with prior art, the utility model has the advantage that:
A row is discharged by multiple cement mixing piles in water-stop curtain provided by the utility model, and per two adjacent water It is mutually twisted between mud mixing pile, forms water-stop curtain, the water that can reduce foundation pit outer body enters in foundation pit ontology;Per phase The gluing area of two adjacent cement mixing piles is the first bond zone, and the part at multiple first bond zones is thin for overlapped Weak-strong test is equipped with multilayer reinforcement stake group in the outside of these weakness zones, carries out reinforcement by multilayer reinforcement stake group, can enhance The intensity of weakness zone, the water that reduction even avoids foundation pit sheet external, which flows into foundation pit ontology, there is the case where leak, plays very Good water-stagnating effect.Wherein, the adjacent reinforcement stake of same layer is mutually glued, formed engagement region, the reinforcement stake group of outer layer it is each Two adjacent reinforcement stakes of the reinforcement stake group of a reinforcement stake and adjacent inner layer are mutually twisted, and make the reinforcement stake group of outer layer to internal layer Reinforcement stake group carry out reinforcement so that weakness zone area is not easy leak to reinforce the reinforcement stake group reinforcing effect of internal layer.Separately Outside, in the present embodiment, multilayer reinforcement stake group is arranged in the outside of the first occlusal area, can not influence foundation pit body interior and apply Work.
The purpose of this utility model is to provide foundation pits, to alleviate in the position of cement mixing pile performance difficulty either curtain The technical issues of position that curtain pile driving construction interrupts causes overlap joint weak, is susceptible to leak.
Foundation pit provided by the utility model, including:Foundation pit ontology and the water-stop curtain, water-stop curtain setting In the surrounding of foundation pit ontology.
Foundation pit provided by the utility model is set to the surrounding of foundation pit ontology by water-stop curtain, realizes to foundation pit sheet The water-stagnating effect of body.Wherein, detailed elaboration has been carried out above-mentioned in the structure and advantageous effect of water-stop curtain, goes to live in the household of one's in-laws on getting married here It states.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the water-stop curtain that the utility model embodiment provides;
Fig. 2 is the structural schematic diagram for the water-stop curtain that the utility model embodiment provides, and is provided with multiple reinforcement stakes Group;
Fig. 3 is another structural schematic diagram for the water-stop curtain that the utility model embodiment provides;
Fig. 4 is the structural schematic diagram for the foundation pit that the utility model embodiment provides.
Icon:10- cement mixing piles;20- the first reinforcement stake groups;30- the second reinforcement stake groups;40- third reinforcement stakes Group;50- foundation pit ontologies;The first occlusal areas of 11-;The second occlusal areas of 21-;31- third occlusal areas.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.
Embodiment one
As depicted in figs. 1 and 2, water-stop curtain provided in this embodiment, including:Line up single multiple cement mixing piles 10, and be mutually twisted between every two adjacent cement mixing piles 10, form multiple first occlusal areas 11;It is engaged in part first The outside in area 11 is equipped with the reinforcement stake group that multilayer is used to carry out reinforcement, and every layer of reinforcement stake group includes multiple reinforcement stakes, and close to water The reinforcement stake of the reinforcement stake group of mud mixing pile 10 is engaged with the first occlusal area 11;The adjacent reinforcement stake of same layer is mutually glued, outer layer Each reinforcement stake of reinforcement stake group and two adjacent reinforcement stakes of reinforcement stake group of adjacent inner layer be mutually twisted.Wherein, It is weakness zone that Fig. 1, which is shown in multiple first occlusal areas 11 there are one the first occlusal area 11, and Fig. 2 shows multiple first occlusal areas 11 In there are two the first occlusal area 11 be weakness zone.
A row is discharged by multiple cement mixing piles 10 in water-stop curtain provided in this embodiment, and per two adjacent water It is mutually twisted between mud mixing pile 10, forms water-stop curtain, the water that can reduce 50 outside of foundation pit ontology enters foundation pit ontology 50 It is interior;Gluing area per two adjacent cement mixing piles 10 is the first bond zone, the part at multiple first bond zones For overlapped, weakness zone is mended in the outside of these weakness zones equipped with multilayer reinforcement stake group by multilayer reinforcement stake group By force, the intensity of weakness zone can be enhanced, reduce or even the water outside foundation pit ontology 50 is avoided to flow into foundation pit ontology 50 and leak The case where water, plays good water-stagnating effect.Wherein, the adjacent reinforcement stake of same layer is mutually glued, forms engagement region, outer layer Each reinforcement stake of reinforcement stake group and two adjacent reinforcement stakes of the reinforcement stake group of adjacent inner layer are mutually twisted, and make outer layer Reinforcement stake group carries out reinforcement to the reinforcement stake group of internal layer makes weakness zone area to reinforce the reinforcement stake group reinforcing effect of internal layer It is not easy leak.In addition, in the present embodiment, multilayer reinforcement stake group is arranged in the outside of the first occlusal area 11, can not influence 50 interior construction of foundation pit ontology.
It should be noted that " internal layer " refers to the reinforcement stake group close to cement mixing pile 10, " outer layer " refers to far from cement The reinforcement stake group of mixing pile 10.
In order to reinforce water-stagnating effect, as shown in figure 3, the benefit of each reinforcement stake and adjacent inner layer of the reinforcement stake group of outer layer The engagement region of two adjacent reinforcement stakes of strong stake group is mutually glued.It is, adjacent two of the reinforcement stake group of internal layer Reinforcement stake group is mutually twisted, and forms engagement region, the reinforcement stake of the reinforcement stake group of outer layer and the engagement region of internal layer are glued, make three Shared engagement region is formed between a reinforcement stake, reinforcing effect can be reinforced in this way, reduces the case where even avoiding leak.
In order to keep the material that is reasonable, using that reinforcement stake is arranged minimum, as shown in Figure 1, Figure 2 and Figure 3, the institute of internal layer It is one more than the reinforcement stake group of adjacent outward layer to state reinforcement stake group, reinforcing effect can be played in this way, also reduces and mends Strong stake quantity setting is more, causes to waste.
Wherein, the number of plies of reinforcement stake group can be provided with multiple, for example, two layers, three layers, four layers or five layers of setting, at this In embodiment, as shown in Figure 1, Figure 2 and Figure 3, the number of plies of reinforcement stake group is arranged three layers.Specifically, reinforcement stake group includes from introversive Outer the first reinforcement stake group 20, the second reinforcement stake group 30 and third reinforcement stake group 40;First reinforcement stake group 20 includes three reinforcement Stake, and be mutually twisted with the first occlusal area 11 positioned at intermediate reinforcement stake;Second reinforcement stake group 30 includes two reinforcement stakes, third Reinforcement stake group 40 includes a reinforcement stake.It is, every two adjacent reinforcement stakes of the first reinforcement stake group 20 are mutually twisted, formed Two the second occlusal areas 21, two the second occlusal areas 21 are separately positioned on the both sides of the first occlusal area 11, and two second occlusions Area 21 is mutually twisted with the corresponding reinforcement stake of the second reinforcement stake group 30 respectively, realizes reinforcing effect, third reinforcement stake group 40 Reinforcement stake and the second reinforcement stake group 30 two reinforcement stakes formed third occlusal area 31 be mutually twisted, make water be not easy from Gap between two adjacent reinforcement stakes enters in foundation pit ontology 50.
Wherein, in the present embodiment, cement mixing pile 10 is three axis cement mixing piles 10, wherein three axis cement mixing piles The ranging from 650mm-850mm of 10 stake diameter, in the present embodiment, the stake diameter of three axis cement mixing piles 10 are selected as 850mm.
In order to reduce the water leakage situation that three adjacent axis cement mixing piles 10 are mutually twisted region, three axis cement mixing piles 10 Occlusion position be stake diameter 1/4~1/3.In the present embodiment, occlusion position is the 250mm of stake diameter.
In addition, reinforcement stake is dual pipe high-pressure rotary jet grouting pile, wherein dual pipe Pile of High-pressure Spiral Jet diameter is ranging from 500mm-800mm.In the present embodiment, the stake diameter of dual pipe high-pressure rotary jet grouting pile is selected as 600mm.
In order to reduce the water leakage situation that adjacent dual pipe high-pressure rotary jet grouting pile is mutually twisted region, dual pipe high-pressure rotary jet grouting pile Occlusion position be stake diameter 1/4~1/3.In the present embodiment, occlusion position is the 200mm of stake diameter.
In addition, in the present embodiment, dual pipe high-pressure rotary jet grouting pile uses 42.5 grades of Portland cements.
Embodiment two
As shown in figure 4, foundation pit provided in this embodiment, including:The water-stop curtain that foundation pit ontology 50 and embodiment one provide, The water-stop curtain is set to the surrounding of foundation pit ontology 50.
Foundation pit provided in this embodiment is set to the surrounding of foundation pit ontology 50 by water-stop curtain, realizes to foundation pit sheet The water-stagnating effect of body 50.Wherein, detailed elaboration has been carried out above-mentioned in the structure and advantageous effect of water-stop curtain, goes to live in the household of one's in-laws on getting married here It states.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand:It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement;And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of water-stop curtain, which is characterized in that including lining up single multiple cement mixing piles, and often described in adjacent two It is mutually twisted between cement mixing pile, forms multiple first occlusal areas;
In part, the outside of first occlusal area is equipped with the reinforcement stake group that multilayer is used to carry out reinforcement, every layer of reinforcement stake group Including multiple reinforcement stakes, and the reinforcement stake of the reinforcement stake group close to the cement mixing pile is stung with first occlusal area It closes;
The adjacent reinforcement stake of same layer is mutually glued, each described reinforcement stake of the reinforcement stake group of outer layer with it is adjacent interior Two adjacent reinforcement stakes of the reinforcement stake group of layer are mutually twisted.
2. water-stop curtain according to claim 1, which is characterized in that each described benefit of the reinforcement stake group of outer layer The engagement region of two adjacent reinforcement stakes of the reinforcement stake group of strong stake and adjacent inner layer is mutually glued.
3. water-stop curtain according to claim 2, which is characterized in that institute of the reinforcement stake group of internal layer than adjacent outward layer It is one more to state reinforcement stake group.
4. water-stop curtain according to claim 3, which is characterized in that the reinforcement stake group includes the first benefit from inside to outside Strong stake group, the second reinforcement stake group and third reinforcement stake group;The first reinforcement stake group includes three reinforcement stakes, and positioned at centre Reinforcement stake is mutually twisted with the first occlusal area;The second reinforcement stake group includes two reinforcement stakes, the third reinforcement stake group packet Include a reinforcement stake.
5. water-stop curtain according to claim 1, which is characterized in that the cement mixing pile is three axis cement mixing piles, The stake diameter of the three axis cement mixing pile is 850mm.
6. water-stop curtain according to claim 5, which is characterized in that the occlusion position of the three axis cement mixing pile is stake The 1/4~1/3 of diameter.
7. water-stop curtain according to claim 5, which is characterized in that the reinforcement stake is dual pipe high-pressure rotary jet grouting pile, institute The stake diameter for stating dual pipe high-pressure rotary jet grouting pile is 600mm.
8. water-stop curtain according to claim 7, which is characterized in that the occlusion position of the dual pipe high-pressure rotary jet grouting pile is The 1/4~1/3 of stake diameter.
9. water-stop curtain according to claim 7, which is characterized in that the dual pipe high-pressure rotary jet grouting pile is general using 42.5 grades Logical portland cement.
10. a kind of foundation pit, which is characterized in that including:Foundation pit ontology and claim 1-9 any one of them water-stop curtains, institute The water-stop curtain stated is set to the surrounding of foundation pit ontology.
CN201820247727.3U 2018-02-11 2018-02-11 Water-stop curtain and foundation pit Expired - Fee Related CN208023587U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109821874A (en) * 2019-04-17 2019-05-31 北京建工环境修复股份有限公司 Sealing stops vapour structure and the method with the structure assisted in situ thermal desorption soil remediation
CN110409476A (en) * 2019-07-05 2019-11-05 中国建筑第八工程局有限公司 Retaining Structure of Extra-deep Excavation side wall water leakage treatment method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109821874A (en) * 2019-04-17 2019-05-31 北京建工环境修复股份有限公司 Sealing stops vapour structure and the method with the structure assisted in situ thermal desorption soil remediation
CN109821874B (en) * 2019-04-17 2023-09-29 北京建工环境修复股份有限公司 Water and steam stopping structure and method for repairing in-situ thermal desorption soil by using structure
CN110409476A (en) * 2019-07-05 2019-11-05 中国建筑第八工程局有限公司 Retaining Structure of Extra-deep Excavation side wall water leakage treatment method

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Granted publication date: 20181030

Termination date: 20210211