CN204023596U - Deep foundation ditch basement rock underground run off and drainage system thereof - Google Patents

Deep foundation ditch basement rock underground run off and drainage system thereof Download PDF

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Publication number
CN204023596U
CN204023596U CN201420498223.0U CN201420498223U CN204023596U CN 204023596 U CN204023596 U CN 204023596U CN 201420498223 U CN201420498223 U CN 201420498223U CN 204023596 U CN204023596 U CN 204023596U
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CN
China
Prior art keywords
foundation ditch
covered conduit
gutter
covered
groove
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
CN201420498223.0U
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Chinese (zh)
Inventor
赵柱明
黄玉祥
彭舸
李俊杰
刘畅
刘彦
杨勇
何志忠
张丽
何启
李靖伟
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.)
Construction Co of China Railway No 8 Engineering Group Co Ltd
Original Assignee
Construction Co of China Railway No 8 Engineering Group 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
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Priority to CN201420498223.0U priority Critical patent/CN204023596U/en
Application granted granted Critical
Publication of CN204023596U publication Critical patent/CN204023596U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of deep foundation ditch basement rock underground run off and drainage system thereof, belong to the drainage construction field in construction work deep foundation pit construction, underground run off is included in the U-shaped groove that foundation ditch excavates, the gutter in groove is layed in along groove, along the geotextiles of the closed notch that groove is laid, and cover described geotextile laying in the concrete cushion on foundation ditch surface, between described gutter and geotextiles, rice stone is filled, described gutter tube wall offers some permeable holes, and in pipe, rice stone is filled; Drainage system, arranges some described covered conduits be connected at foundation ditch, arranges some sumps in foundation ditch substrate, and by sand trap that pump and pipeline are communicated with described sump.The utility model construction is quick, efficient, reliable, effectively can solve deep foundation ditch Bedrock Crevice Water drainage problem.

Description

Deep foundation ditch basement rock underground run off and drainage system thereof
Technical field
The utility model belongs to the drainage construction field in construction work deep foundation pit construction, particularly relates to deep foundation ditch Bedrock Crevice Water drainage construction.
Background technology
The common dewatering mode of excavation of foundation pit is for beat dewatering well in foundation ditch surrounding.But the general bearing stratum of deep foundation ditch is middle weathering shale layer (deep foundation ditch refers generally to the foundation ditch of more than degree of depth 20m), and surrounding dewatering well acts on not quite for the row that falls of Bedrock Crevice Water.Conventional method in foundation ditch, arranges bright gutter carry out draining, and then subregion construction cushion coat, waterproof, assembling reinforcement, last concentrating before concreting carry out Seal treatment (construction cushion coat, waterproof etc.) to bright gutter.The method is in work progress, due to subregion construction, and the separately successively construction of main body and waterproof, often easily affect construction speed and quality, and when in the end concentrating the operations such as the bed course in construction drainage ditch region and waterproof, because crevice water is still constantly oozing out, often not easily ensure bed course and waterproof construction quality, leave infiltration hidden danger.
Utility model content
The purpose of this utility model is: propose a kind of construction quick, efficient, reliable, effectively can solve deep foundation ditch basement rock underground run off and the drainage system thereof of deep foundation ditch Bedrock Crevice Water drainage problem.
The utility model object is realized by following technical proposals:
A kind of deep foundation ditch basement rock underground run off, be included in the U-shaped groove that foundation ditch excavates, the gutter in groove is layed in along groove, along the geotextiles of the closed notch that groove is laid, and cover described geotextile laying in the concrete cushion on foundation ditch surface, between described gutter and geotextiles, rice stone is filled, and described gutter tube wall offers some permeable holes, and in pipe, rice stone is filled.
In such scheme, U-shaped groove can collect Bedrock Crevice Water, offer the gutter of permeable hole then in order to be drained by the crevice water collected, the inside and outside rice stone of filling of gutter then plays a role in filtering on the one hand, avoid fine deposit laying dust to deposit blocking drainage system, ensure that the long time stability that covered conduit runs, another side changes hollow-core construction into real cored structure, the ingenious structure stress problem solving covered conduit, kills two birds with one stone again; It is less that described meter Shi refers to particle diameter conventional in the realm of building construction, and shape is as the rubble of the grain of rice; Geotextiles, then in order to isolation top concrete construction, avoids fine deposit to block groove; Concrete cushion then last covering by whole covered conduit is hidden, and both ensure that subsequent construction did not impact covered conduit, and also ensure that covered conduit can not subsequent construction impact.
As selection, also comprise the gutter be communicated with between foundation ditch high-low bay covered conduit, and the alien invasion layer of foundation ditch high-low bay concrete cushion is connected along facade, described gutter tube wall offers some permeable holes, in pipe, rice stone is filled, the stone concrete layer of described alien invasion layer by bottom, the solid brick brick plies on top, and the waterproofing mortar floated coat of alien invasion is formed.
In such scheme, the gutter be communicated with between foundation ditch high-low bay covered conduit had both been communicated with the covered conduit between high-low bay, can guide draining again to the facade Bedrock Crevice Water between high-low bay simultaneously; Alien invasion layer then can the gutter of opposite be protected, and can play further waterproof action again simultaneously.
A kind of deep foundation ditch basement rock underdrainage system, comprise aforementioned covered conduit, some covered conduits be connected are arranged at foundation ditch, some sumps are arranged in foundation ditch substrate, and by sand trap that pump and pipeline are communicated with described sump, described covered conduit comprises the ring shape covered conduit arranged along foundation ditch substrate edge, at the spaced apart some vertical covered conduit be communicated with this annular covered conduit of foundation pit side-wall, at the described annular covered conduit of connection of foundation ditch substrate separation layout and some covered conduits of sump.
In such scheme, the annular covered conduit arranged by foundation ditch substrate edge collects the Bedrock Crevice Water of foundation pit side-wall, vertical covered conduit simultaneously on sidewall guides crevice water further to annular covered conduit, crevice water in annular covered conduit is pooled to sump through the covered conduit of substrate again, pump is to sand trap again, forms complete crevice water drainage system.
As selection, be also included in the low covered conduit across arranging along edge of described foundation ditch high-low bay, this covered conduit and foundation ditch low across covered conduit be communicated with.
In such scheme, by the low covered conduit across arranging along edge, collect the Bedrock Crevice Water of high-low bay facade, and drained by the low covered conduit stepped up.
The main scheme of aforementioned the utility model and each further selection scheme thereof can independent assortment to form multiple scheme; be the utility model can adopt and claimed scheme: as the utility model; each selection can select any combination with other; those skilled in the art can understand there is multiple combination according to prior art and common practise after understanding the utility model scheme; be the claimed technical scheme of the utility model, do not do exhaustive at this.
The beneficial effects of the utility model: avoid the construction of prior art subregion, and the separately successively construction of main body and waterproof, the problem that the waterproof roll caused arch camber by underground crevice water effect, hollowing, top are worn, effectively guiding function is played to the crevice water of basement rock, ensure that the environment of whole construction period drying, do not affect carrying out of covered conduit top working procedure simultaneously, save duration total about more than 20 skies than conventional construction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment covered conduit;
Fig. 2 is the structural representation of the utility model embodiment gutter;
Fig. 3 is that the covered conduit of the utility model embodiment foundation ditch high-low bay arranges schematic diagram;
Fig. 4 is the layout schematic diagram of the utility model embodiment underdrainage system.
Detailed description of the invention
Following non-limiting examples is for illustration of the utility model.
Shown in 4, a kind of deep foundation ditch basement rock underdrainage system, as shown in Figure 4, be included in foundation ditch 1 and arrange some covered conduits 2 be connected, some sumps 3 are arranged in foundation ditch 1 substrate, and by sand trap 5 that pump and pipeline 4 are communicated with sump 3, covered conduit 2 comprises the ring shape covered conduit 21 arranged along foundation ditch 1 substrate edge, at the some vertical covered conduit be communicated with this annular covered conduit 21 that foundation ditch 1 sidewall spacers is arranged, at the connection annular covered conduit 21 of foundation ditch substrate separation layout and some covered conduits 22 of sump 3.
As shown in Figure 1, aforementioned covered conduit 2 is included in the U-shaped groove 6 that foundation ditch excavates, and is located at the gutter 7 in groove 6 along groove paving 6, along the geotextiles 8 of the closed notch that groove 6 is laid, and covers the concrete cushion 9 that geotextiles 8 is layed in foundation ditch surface; As shown in Figure 3, also comprise the gutter 7 be communicated with between foundation ditch high-low bay 11 covered conduit, and the alien invasion layer of foundation ditch high-low bay 11 concrete cushion 9 is connected along facade, between gutter 7 and geotextiles 8, rice stone 10 is filled, as shown in Figure 2, gutter 7 tube wall offers some permeable holes 71, and in pipe, rice stone 10 is filled, the stone concrete layer 12 of alien invasion layer by bottom, the solid brick brick plies 13 on top, and the waterproofing mortar floated coat 14 of alien invasion is formed.Gutter 7 can adopt various tubing, preferred pvc pipe.As shown in Figure 4, for the foundation ditch of high-low bay, underdrainage system is also included in the low covered conduit 23 across arranging along edge of foundation ditch high-low bay 11 further, this covered conduit 23 and foundation ditch low across covered conduit be communicated with.
The drainage and construction method of aforementioned deep foundation ditch basement rock underdrainage system, comprises the following steps successively:
1) after excavation pit to large face absolute altitude, according to Water drainage system design excavation groove, sump and sand trap; Sump and sand trap can utilize existing structure or civil defence structure construction.
2) gutter of filling meter Shi is installed in groove;
3) groove fills up by meter Shi, upper berth geotextiles one deck;
4) build blinding concrete, construct top waterproof and other operations simultaneously; These other operations and the subsequent handling of conventional drainage system after concrete cushion and waterproof construction.
5) Bedrock Crevice Water carries out flowing from the covered conduit below bed course and converges to sump, then by pump and tubing pump to sand trap.
The utility model drainage system adopts this construction method, by the mode of underdrainage system, avoid the construction of prior art subregion, and the problem that main body and waterproof are separately successively constructed, can after the complete underdrainage system of one-off construction, property construction cushion coat and waterproofing course again, the hidden danger avoiding the later stage to focus on bright gutter producing, substantially increases efficiency of construction simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (4)

1. a deep foundation ditch basement rock underground run off, it is characterized in that: be included in the U-shaped groove that foundation ditch excavates, the gutter in groove is layed in along groove, along the geotextiles of the closed notch that groove is laid, and cover described geotextile laying in the concrete cushion on foundation ditch surface, between described gutter and geotextiles, rice stone is filled, and described gutter tube wall offers some permeable holes, and in pipe, rice stone is filled.
2. deep foundation ditch basement rock underground run off as claimed in claim 1, it is characterized in that: also comprise the gutter be communicated with between foundation ditch high-low bay covered conduit, and the alien invasion layer of foundation ditch high-low bay concrete cushion is connected along facade, described gutter tube wall offers some permeable holes, in pipe, rice stone is filled, the stone concrete layer of described alien invasion layer by bottom, the solid brick brick plies on top, and the waterproofing mortar floated coat of alien invasion is formed.
3. a deep foundation ditch basement rock underdrainage system, comprise the covered conduit described in claim 1 or 2, it is characterized in that: arrange some described covered conduits be connected at foundation ditch, some sumps are arranged in foundation ditch substrate, and by sand trap that pump and pipeline are communicated with described sump, described covered conduit comprises the ring shape covered conduit arranged along foundation ditch substrate edge, at the spaced apart some vertical covered conduit be communicated with this annular covered conduit of foundation pit side-wall, at the described annular covered conduit of connection of foundation ditch substrate separation layout and some covered conduits of sump.
4. deep foundation ditch basement rock underdrainage system as claimed in claim 3, is characterized in that: the low covered conduit across arranging along edge being also included in described foundation ditch high-low bay, this covered conduit and foundation ditch low across covered conduit be communicated with.
CN201420498223.0U 2014-08-29 2014-08-29 Deep foundation ditch basement rock underground run off and drainage system thereof Expired - Fee Related CN204023596U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420498223.0U CN204023596U (en) 2014-08-29 2014-08-29 Deep foundation ditch basement rock underground run off and drainage system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420498223.0U CN204023596U (en) 2014-08-29 2014-08-29 Deep foundation ditch basement rock underground run off and drainage system thereof

Publications (1)

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CN204023596U true CN204023596U (en) 2014-12-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314090A (en) * 2014-08-29 2015-01-28 中铁八局集团建筑工程有限公司 Deep foundation pit bedrock drainage culvert and drainage system and drainage construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314090A (en) * 2014-08-29 2015-01-28 中铁八局集团建筑工程有限公司 Deep foundation pit bedrock drainage culvert and drainage system and drainage construction method thereof

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141217

Termination date: 20200829

CF01 Termination of patent right due to non-payment of annual fee