CN109083154A - A kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing constructing structure - Google Patents
A kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing constructing structure Download PDFInfo
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- CN109083154A CN109083154A CN201810960240.4A CN201810960240A CN109083154A CN 109083154 A CN109083154 A CN 109083154A CN 201810960240 A CN201810960240 A CN 201810960240A CN 109083154 A CN109083154 A CN 109083154A
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- connector
- diaphragm wall
- super thick
- enters rock
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention provides a kind of ultra-deep super thick and enters rock basement diaphragm wall multiple-grooved section connector processing method, this method first opens diaphram wall and puts 1m outside slot, link slot pilot hole, in the case where guaranteeing verticality tolerance amount and I-steel outer side wing edge size, churning driven cleaning slot section joint bleeding cement and solidification sandbag are maximally utilized, the workload of subsequent slotter is reduced.To solve the problems, such as the problems of above-mentioned prior art.Belong to building foundation pit supporting technical field.
Description
Technical field
The present invention relates to a kind of ultra-deep super thick to enter rock diaphram wall multiple-grooved section connector processing method, belongs to building foundation pit branch
Protect technical field.
Background technique
With the development in pluralism of building structure, diaphram wall is increasingly used in pattern foundation pit supporting structure.Traditionally
Lower continuous wall groove segment connector processing method is usually to put 600mm outside pilot hole, pours and is finished at jump bit to slot section inner concrete
Manage slot section joint sandbag and bleeding cement.This engineering is due to neighbouring subway, steel reinforcement cage bulky dimensions, and long 63.52m is wide
The features such as 6.00m, thick 1.38m, forbids in subway protection area using the jump bit that noise is big, efficiency is slow.Jump bit is by connector
Place's sandbag and bleeding cement are disposed, and the woven bag clast of sandbag can not also be removed in the slot section of joint, the milling of adjacent slot section
Woven bag clast can make slotter plugging when slot.This engineering diaphram wall east, west, the wide 1500mm of north side wall, pilot hole are put outside
The construction thinking of 600mm seriously affects slot section connector processing construction function without sufficiently coordinating slotter and churning driven working time
Effect.The construction of conventional process connector did not had the comparative simulation carried out before and after technological improvement using BIM three-dimensional Actual Simulation technology also.
Summary of the invention
It is an object of the invention to: a kind of ultra-deep super thick is provided and enters rock basement diaphragm wall multiple-grooved section connector processing method,
To solve the problems, such as the problems of above-mentioned prior art.
To solve the above problems, such a ultra-deep super thick of proposed adoption enters rock basement diaphragm wall multiple-grooved section connector processing side
Method, this method first open diaphram wall and put 1m outside slot, link slot pilot hole, are guaranteeing outside verticality tolerance amount and I-steel
In the case where side wing edge size, churning driven cleaning slot section joint bleeding cement and solidification sandbag are maximally utilized, is reduced subsequent
The workload of slotter.
When uncontrollable factor occurs in slot section joint buried concrete, using I-steel, triple high-pressure rotary jet grouting piles and rear note
The common sealing of slurry technology, ensure that the impermeability at underground continuous wall connector；
After first slotted line, the casting concrete initial set of link slot section, connector case is pulled out, is connect using the churning driven cleaning with brush wall device
Head provides precondition for closed slots section reinforcing bar cage hoisting.
Before underground continuous wall connector processing, underground continuous wall connector is handled first with BIM three-dimensional Actual Simulation technology
It improves front and back way to be simulated, the operability of churning driven processing connector after ex ante analysis improves, and to jump bit before improving
Churning driven facture carries out simulation comparison after facture and improvement, carries out special discussion for the problem of simulation process exposure, really
Protect largest optimization technical solution, science, Accuracy and high efficiency in guarantee this technology practical operation.
Compared with prior art, the present invention utmostly uses churning driven construction operation, reduces the processing of slotter connector
Construction operation degree, working efficiency significantly improve, and have saved construction cost；Slot section joint buried concrete inevitably occurs
Uncontrollable factor ensure that underground continuous wall connector using I-steel, triple high-pressure rotary jet grouting piles and the common sealing of Post Grouting Technique
The impermeability at place and the integral rigidity of diaphram wall；Because of the angle 90o that churning driven can not reach the I-steel edge of a wing and web is formed
Connector is cleared up using the churning driven with brush wall device in position, thoroughly removes joint solidification sandbag and bleeding cement, while being closure
Slot section reinforcing bar cage hoisting provides precondition；Ex ante analysis improve after churning driven processing connector operability, and to improvement before
Churning driven facture carries out simulation comparison after jump bit facture and improvement, begs for for the problem progress special project of simulation process exposure
By, it is ensured that largest optimization the technical program, guarantee science in this technology practical operation, Accuracy and high efficiency；This method
It covers and is put into grouting behind shaft or drift lining waterproof construction overall process outside pilot hole early period, sundry item implementation can be extended to.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention will be made below further detailed
Explanation.
Embodiment:
The present embodiment provides a kind of ultra-deep super thick to enter rock basement diaphragm wall multiple-grooved section connector processing method, with permanent big center projects
For, this technology puts 1000mm outside slot, link slot pilot hole by considering construction of diaphragm wall early period comprehensively, to first opening, can be most
Bigization reduces subsequent slotter treatment trough section connector work using churning driven cleaning slot section joint solidification sandbag and bleeding cement
Amount, improves work efficiency；Inevitably there is uncontrollable factor in slot section joint buried concrete, using I-steel, triple high pressures
Rotary churning pile and the common sealing of Post Grouting Technique, ensure that the impermeability at underground continuous wall connector；First slotted line, link slot section are poured
After building concrete initial set, connector case is pulled out, connector is cleared up using the churning driven with brush wall device, is mentioned for closed slots section reinforcing bar cage hoisting
For precondition.
The project is had the following characteristics that after being handled using the above method
1) diaphram wall processing connector uses Spiral digging machine and slotter coordinating operation.Since this project diaphram wall width is
1500mm, steel reinforcement cage clear span 1380mm, pilot hole put 1000mm outside, and the churning driven that diameter is 800mm can be selected to carry out joint
Reason utmostly uses churning driven construction operation, reduces slotter connector processing construction operation degree, and working efficiency is able to greatly
Width is promoted, and has saved construction cost.
2) most as deep as 64m, inevitably there is uncontrollable factor, adopts this project diaphram wall in slot section joint buried concrete
With I-steel, triple high-pressure rotary jet grouting piles and the common sealing of Post Grouting Technique, ensure that impermeability at underground continuous wall connector and
The integral rigidity of diaphram wall.
3) after first slotted line, the casting concrete initial set of link slot section, connector case is pulled out.Because churning driven can not reach I-steel
Connector is cleared up using the churning driven with brush wall device in the angular position 90o that the edge of a wing and web are formed, and thoroughly removes joint solidification sandbag
And bleeding cement, while precondition is provided for closed slots section reinforcing bar cage hoisting.
4) before underground continuous wall connector processing, first with BIM three-dimensional Actual Simulation technology to underground continuous wall connector processing
Improvement before and after way simulated, ex ante analysis improve after churning driven processing connector operability, and to improve before impact
Churning driven facture carries out simulation comparison after hammer facture and improvement, carries out special discussion for the problem of simulation process exposure,
Ensure largest optimization the technical program, science, Accuracy and high efficiency in guarantee this technology practical operation.
5) this method is covered is put into grouting behind shaft or drift lining waterproof construction overall process outside pilot hole early period, can extend to sundry item
Implement.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, it will be apparent to an ordinarily skilled person in the art that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (4)
1. a kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing method, it is characterised in that: this method is to underground
Diaphragm wall first opens and puts 1m outside slot, link slot pilot hole, in the feelings for guaranteeing verticality tolerance amount and I-steel outer side wing edge size
Under condition, churning driven cleaning slot section joint bleeding cement and solidification sandbag are maximally utilized.
2. a kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing method, feature according to claim 1
It is: when uncontrollable factor occurs in slot section joint buried concrete, using I-steel, triple high-pressure rotary jet grouting piles and grouting behind shaft or drift lining skill
The common sealing of art.
3. a kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing method, feature according to claim 1
It is: after first slotted line, the casting concrete initial set of link slot section, pulls out connector case, connect using the churning driven cleaning with brush wall device
Head.
4. a kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing method, feature according to claim 1
It is: before underground continuous wall connector processing, underground continuous wall connector is handled first with BIM three-dimensional Actual Simulation technology improvement
Front and back way is simulated, the operability of churning driven processing connector after ex ante analysis improves, and to jump bit processing before improving
Churning driven facture carries out simulation comparison after method and improvement, carries out special discussion for the problem of simulation process exposure, it is ensured that most
Big optimisation technique scheme.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960240.4A CN109083154A (en) | 2018-08-22 | 2018-08-22 | A kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing constructing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960240.4A CN109083154A (en) | 2018-08-22 | 2018-08-22 | A kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing constructing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109083154A true CN109083154A (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810960240.4A Pending CN109083154A (en) | 2018-08-22 | 2018-08-22 | A kind of ultra-deep super thick enters rock basement diaphragm wall multiple-grooved section connector processing constructing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094915A (en) * | 2022-05-25 | 2022-09-23 | 浙江土工岩土科技有限公司 | Grooving construction method for slightly weathered volcanic geological underground continuous wall |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101177724B1 (en) * | 2012-02-21 | 2012-08-28 | 주식회사 대창중기계 | Rock socket-soil. cement. wall method |
-
2018
- 2018-08-22 CN CN201810960240.4A patent/CN109083154A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101177724B1 (en) * | 2012-02-21 | 2012-08-28 | 주식회사 대창중기계 | Rock socket-soil. cement. wall method |
Non-Patent Citations (3)
| Title |
|---|
| 丛蔼森等: "《深基坑防渗体的设计施工与应用》", 31 March 2012, 知识产权出版社 * |
| 宗春华: "坚硬岩层内地下连续墙成槽工艺的比选", 《建筑施工》 * |
| 陈松等: "超深基坑地下连续墙作为主体结构的设计方法研究", 《建筑结构》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094915A (en) * | 2022-05-25 | 2022-09-23 | 浙江土工岩土科技有限公司 | Grooving construction method for slightly weathered volcanic geological underground continuous wall |
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Application publication date: 20181225 |