CN108755659A - One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling - Google Patents
One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling Download PDFInfo
- Publication number
- CN108755659A CN108755659A CN201810690642.7A CN201810690642A CN108755659A CN 108755659 A CN108755659 A CN 108755659A CN 201810690642 A CN201810690642 A CN 201810690642A CN 108755659 A CN108755659 A CN 108755659A
- Authority
- CN
- China
- Prior art keywords
- ground
- wall
- milling
- construction
- hole
- 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.)
- Pending
Links
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Earth Drilling (AREA)
Abstract
Draw for ground-connecting-wall under complicated high-strength geology the invention discloses one kind and grabbing the quick forming construction method thereof of milling, includes the following steps：A, construction control points are checked, set up the permanent bench mark of construction at the construction field (site), protection point simultaneously checks.Advantageous effect is：Using air down-hole hammer pilot hole, hydraulic grab grabs slot, the construction technology that two-wheel flute milling machine groove milling three is combined, the characteristics of high by using pore-forming efficiency under the high-strength geological conditions of down-hole hammer and unsuitable large volume pore-forming, free face, which is provided, for Double-wheel milling improves milling work efficiency, the high feature of hydraulic grab crawl miscellaneous fill and clay work efficiency is utilized simultaneously, condition is provided for Double-wheel milling normal construction, and utilize Double-wheel milling high feature of large volume grooving work efficiency under high intensity geological conditions, the grooving to whole picture ground-connecting-wall is finally completed under the conditions of mud off, to realize Complicated Geologic Condition, especially there is competent bed, intensity is up to the various soil layers of 50~100MPa or the ground-connecting-wall trenching construction of rock stratum.
Description
Technical field
The present invention relates to subway work technical fields, draw for ground-connecting-wall under complicated high-strength geology more particularly to one kind and grab
The quick forming construction method thereof of milling.
Background technology
With being continuously increased for urban population and city size, subway has shouldered main multiply in many urban transportations
Objective transport task, subway have been the main vehicle area hinge tools in a big city, accelerate each area in big city
The development of domain economy and traffic is continued to develop recently as subway line, faces complex geological condition, especially there is hard rock
Ground-connecting-wall grooving has become the difficult point and emphasis of subway work technology in the case of layer.This engineering method is mainly with Changsha subway four
Based on line Hunan University subway station, the station geologic structure is complicated, and there is the high intensity limestone of large area, ground-connecting-wall grooving
Following methods are successively used in journey to be attempted：Churning driven is used to coordinate hydraulic pressure grab chute forming first, it is difficult to which drilling depth, is seriously indulged in
It delays work the phase；It uses impact drill to coordinate hydraulic pressure grab chute forming again, also is difficult to drilling depth in face of hard rock stratum, seriously delays the duration simultaneously
Also surrounding enviroment are disturbed very big.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of for ground-connecting-wall under complicated high-strength geology
Draw and grabs the quick forming construction method thereof of milling.
The present invention is achieved through the following technical solutions above-mentioned purpose：
One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling, includes the following steps：
A, construction control points are checked, set up the permanent bench mark of construction at the construction field (site), protection point simultaneously checks, prevents from surveying
Measure accuracy decline caused by point is impaired or other reasons；
B, the hydroelectric line in construction site is connected in energization wiring, is arranged construction site, is carried out plant, personnel depaly, material
Material prepares, and according to unit type and quantity, determines suitable main transformer capacity, and according to Ground arrangement situation, setting is multiple
Two level distribution box, it is ensured that down-hole hammer, air compressor machine, sand filter normal use ensure construction along the circumferentially disposed feedwater piping in place
Use water；
C, it fulfils construction of guide wall ahead of schedule, and during leading wall channel excavation, verifies underground utilities, it is ensured that ground-connecting-wall range is without having
With pipeline, such as exists and discard pipeline, should be handled in advance, it is ensured that be not in spillage, bit freezing etc. in ground-connecting-wall work progress
Abnormal conditions；
D, Land leveling in advance checks equipment localized ground in place, it is ensured that be without cavity, observation below ground and road surface
It is no that there are crack, equipment 4 blocks of 4m × 8m steel plates of region laying in place, steel plate thickness 20mm, it is ensured that plant bottom case uniform force, nothing
The danger toppled；
E, down-hole hammer pilot hole, according to the wide progress cloth hole of ground-connecting-wall concrete condition and two-wheel milling cutter and pilot hole, simultaneously by down-hole hammer positioning
Operating starts air compressor to construction part, when air pressure reaches 12Mpa pressure, the down-hole hammer whirling vibration, and start
Drilling machine intrinsic and external motive head carries out drill, and to prevent inclined hole, when trepanning, which will take, impacts at a slow speed, down-hole hammer described in internally-powered headband after
Continuous drill enters rock to hole depth is designed, and uses at the uniform velocity slow-motion during drill, the power that is hampered when big the down-hole hammer be lifted up, promoted
Distance about 0.30-0.50m impacts drilling depth with whirling vibration again, and hole depth is drilled into 5-8m, and promotion screw rod exclusion boring mud is primary,
It is drilled into hole depth and is drilled into second of exclusion boring mud of 10.00m progress, it is ensured that hole depth reaches design requirement；
F, hydraulic grab draws slag, 4 hours before groove milling, carries out topsoil and grab to remove to the down-hole hammer pilot hole slot section is completed,
In hydraulic grab work progress, a width ground-connecting-wall is divided into three blocks, No. 1 block region topsoil is carried out first in certain sequence
It grabs and removes, then the topsoil of No. 2 blocks of progress, which is grabbed, removes, and No. 3 block topsoils for finally carrying out ground-connecting-wall centre position grab removing, by
Enter rock in the short wall position for hanging foot wall, and generally reaches 15 meters or more, and miscellaneous fill or clay are 7 meters or so of below ground
Range, therefore whether the construction of the hydraulic grab will not be by being to hang foot wall to be influenced；
G, Double-wheel milling grooving, the hydraulic motor by controlling slotter drive two rollers equipped with milling wheel to rotate respectively, groove milling
When, two rollers slowly run, and direction is on the contrary, stratum country rock milling is crushed by the milling wheel, while the hydraulic motor
Slush pump is driven, the rock slag that drilling goes out is discharged to mud after ground is focused on by the suction sand mouth among milling wheel and is returned
It returns, so on circulate, until whole hole grooving；
H, slurrying and cycle, in grooving operation process, in slot mud liquid level be maintained at the excessive highest liquid level of mud hereinafter,
And it is higher by level of ground water 1m or more, when grooving operation suspension of works, wall top face 0.5m is not lower than led in mud face.
In the present embodiment, the quantity of the two level distribution box in the step b is no less than three.
In the present embodiment, the wall of leading in the step c should set up heavy section steel along wall axis direction.
In the present embodiment, the quantity of the air compressor in the step e is three, the type of the air compressor
Number be 900XHH ~ 1150XH, nominal volume flow be 25.5m3/32.6m3, rated discharge pressure 3.45MPa/2.41Mpa,
The atmospheric pressure value 2.41MPa-3MPa of the down-hole hammer.
In the present embodiment, the model JINT40 of the hydraulic grab in the step f, adaptation intensity be 50MPa~
100MPa。
In the present embodiment, topsoil is grabbed except the criterion completed is that hydraulic pressure described in the course of work is grabbed in the step f
The work efficiency that struggles against reduces obviously, continues to cannot be satisfied ground-connecting-wall grooving needs using the hydraulic grab.
In the present embodiment, the quantity of the hydraulic motor of the slotter in the step g is three, the groove milling
The verticality of machine should be consistent with slot section axis.
In the present embodiment, the mud in the step h is bentonite and tap water is that raw material stir.
The beneficial effects of the present invention are：Slot, two-wheel flute milling machine groove milling three are grabbed using air down-hole hammer pilot hole, hydraulic grab
The construction technology that person is combined, high by using pore-forming efficiency under the high-strength geological conditions of down-hole hammer and unsuitable large volume pore-forming
Feature provides free face for Double-wheel milling and improves milling work efficiency, while high using hydraulic grab crawl miscellaneous fill and clay work efficiency
The characteristics of, condition is provided for Double-wheel milling normal construction, and utilize Double-wheel milling large volume grooving work efficiency under high intensity geological conditions
High feature is finally completed the grooving to whole picture ground-connecting-wall under the conditions of mud off, special to realize Complicated Geologic Condition
It is not to have competent bed, intensity is up to the various soil layers of 50~100MPa or the ground-connecting-wall trenching construction of rock stratum.
Description of the drawings
Fig. 1 be it is of the present invention it is a kind of draw for ground-connecting-wall under complicated high-strength geology grab the latent of the quick forming construction method thereof of milling
Drift pilot hole process flow chart；
Fig. 2 be it is of the present invention it is a kind of draw for ground-connecting-wall under complicated high-strength geology grab the hydraulic pressure of the quick forming construction method thereof of milling and grab
Bucket grabs slot precedence diagram；
Fig. 3 is that ground-connecting-wall draws the slotter for grabbing the quick forming construction method thereof of milling under a kind of high-strength geology for complexity of the present invention
Work system schematic diagram；
Fig. 4 is that ground-connecting-wall draws the mud system for grabbing the quick forming construction method thereof of milling under a kind of high-strength geology for complexity of the present invention
System construction technology figure；
Fig. 5 is that ground-connecting-wall draws the grooving shield for grabbing the quick forming construction method thereof of milling under a kind of high-strength geology for complexity of the present invention
Wall mud property index request figure.
The reference numerals are as follows：
1, hydraulic grab；2, slotter；3, hydraulic motor；4, milling wheel；5, roller.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As Figure 1-Figure 5, one kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling, including as follows
Step：
A, construction control points are checked, set up the permanent bench mark of construction at the construction field (site), protection point simultaneously checks, prevents from surveying
Measure accuracy decline caused by point is impaired or other reasons；
B, the hydroelectric line in construction site is connected in energization wiring, is arranged construction site, is carried out plant, personnel depaly, material
Material prepares, and according to unit type and quantity, determines suitable main transformer capacity, and according to Ground arrangement situation, setting is multiple
Two level distribution box, it is ensured that down-hole hammer, air compressor machine, sand filter normal use ensure construction along the circumferentially disposed feedwater piping in place
Use water；
C, it fulfils construction of guide wall ahead of schedule, and during leading wall channel excavation, verifies underground utilities, it is ensured that ground-connecting-wall range is without having
With pipeline, such as exists and discard pipeline, should be handled in advance, it is ensured that be not in spillage, bit freezing etc. in ground-connecting-wall work progress
Abnormal conditions；
D, Land leveling in advance checks equipment localized ground in place, it is ensured that be without cavity, observation below ground and road surface
It is no that there are crack, equipment 4 blocks of 4m × 8m steel plates of region laying in place, steel plate thickness 20mm, it is ensured that plant bottom case uniform force, nothing
The danger toppled；
E, down-hole hammer pilot hole, according to the wide progress cloth hole of ground-connecting-wall concrete condition and two-wheel milling cutter and pilot hole, simultaneously by down-hole hammer positioning
Operating starts air compressor to construction part, when air pressure reaches 12Mpa pressure, the down-hole hammer whirling vibration, and start
Drilling machine intrinsic and external motive head carries out drill, and to prevent inclined hole, when trepanning, which will take, impacts at a slow speed, down-hole hammer described in internally-powered headband after
Continuous drill enters rock to hole depth is designed, and uses at the uniform velocity slow-motion during drill, the power that is hampered when big the down-hole hammer be lifted up, promoted
Distance about 0.30-0.50m impacts drilling depth with whirling vibration again, and hole depth is drilled into 5-8m, and promotion screw rod exclusion boring mud is primary,
It is drilled into hole depth and is drilled into second of exclusion boring mud of 10.00m progress, it is ensured that hole depth reaches design requirement；
F, hydraulic grab draws slag, 4 hours before groove milling, carries out topsoil and grab to remove to the down-hole hammer pilot hole slot section is completed,
In 1 work progress of hydraulic grab, a width ground-connecting-wall is divided into three blocks, in certain sequence first to No. 1 block region topsoil into
Row, which is grabbed, to be removed, and then the topsoil of No. 2 blocks of progress, which is grabbed, removes, and No. 3 block topsoils for finally carrying out ground-connecting-wall centre position grab removing,
Short wall position due to hanging foot wall has entered rock, and generally reaches 15 meters or more, and miscellaneous fill or clay are 7 meters of left sides of below ground
Right range, therefore whether the construction of the hydraulic grab 1 will not be by being to hang foot wall to be influenced；
G, Double-wheel milling grooving, the hydraulic motor 3 by controlling slotter 2 drive two rollers 5 equipped with milling wheel 4 to rotate respectively,
When groove milling, two rollers 5 slowly run, and direction is on the contrary, stratum country rock milling is crushed by the milling wheel 4, while the liquid
Pressure motor 3 drives slush pump, and the rock slag that drilling goes out is discharged to ground with mud by the suction sand mouth among milling wheel 4 carries out at concentration
It is returned after reason, so on circulate, until whole hole grooving；
H, slurrying and cycle, in grooving operation process, in slot mud liquid level be maintained at the excessive highest liquid level of mud hereinafter,
And it is higher by level of ground water 1m or more, when grooving operation suspension of works, wall top face 0.5m is not lower than led in mud face.
In the present embodiment, the quantity of the two level distribution box in the step b is no less than three.
In the present embodiment, the wall of leading in the step c should set up heavy section steel along wall axis direction.
In the present embodiment, the quantity of the air compressor in the step e is three, the type of the air compressor
Number be 900XHH ~ 1150XH, nominal volume flow be 25.5m3/32.6m3, rated discharge pressure 3.45MPa/2.41Mpa,
The atmospheric pressure value 2.41MPa-3MPa of the down-hole hammer.
In the present embodiment, the model JINT40 of the hydraulic grab 1 in the step f, adaptation intensity be 50MPa~
100MPa。
In the present embodiment, topsoil is grabbed except the criterion completed is that hydraulic pressure described in the course of work is grabbed in the step f
1 work efficiency that struggles against reduces obviously, continues to cannot be satisfied ground-connecting-wall grooving needs using the hydraulic grab 1.
In the present embodiment, the quantity of the hydraulic motor 3 of the slotter 2 in the step g is three, the milling
The verticality of scouring machine 2 should be consistent with slot section axis.
In the present embodiment, the mud in the step h is bentonite and tap water is that raw material stir.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (8)
1. one kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling, it is characterised in that：Including as follows
Step：
A, construction control points are checked, set up the permanent bench mark of construction at the construction field (site), protection point simultaneously checks, prevents from surveying
Measure accuracy decline caused by point is impaired or other reasons；
B, the hydroelectric line in construction site is connected in energization wiring, is arranged construction site, is carried out plant, personnel depaly, material
Material prepares, and according to unit type and quantity, determines suitable main transformer capacity, and according to Ground arrangement situation, setting is multiple
Two level distribution box, it is ensured that down-hole hammer, air compressor machine, sand filter normal use ensure construction along the circumferentially disposed feedwater piping in place
Use water；
C, it fulfils construction of guide wall ahead of schedule, and during leading wall channel excavation, verifies underground utilities, it is ensured that ground-connecting-wall range is without having
With pipeline, such as exists and discard pipeline, should be handled in advance, it is ensured that be not in spillage, bit freezing etc. in ground-connecting-wall work progress
Abnormal conditions；
D, Land leveling in advance checks equipment localized ground in place, it is ensured that be without cavity, observation below ground and road surface
It is no that there are crack, equipment 4 blocks of 4m × 8m steel plates of region laying in place, steel plate thickness 20mm, it is ensured that plant bottom case uniform force, nothing
The danger toppled；
E, down-hole hammer pilot hole, according to the wide progress cloth hole of ground-connecting-wall concrete condition and two-wheel milling cutter and pilot hole, simultaneously by down-hole hammer positioning
Operating starts air compressor to construction part, when air pressure reaches 12Mpa pressure, the down-hole hammer whirling vibration, and start
Drilling machine intrinsic and external motive head carries out drill, and to prevent inclined hole, when trepanning, which will take, impacts at a slow speed, down-hole hammer described in internally-powered headband after
Continuous drill enters rock to hole depth is designed, and uses at the uniform velocity slow-motion during drill, the power that is hampered when big the down-hole hammer be lifted up, promoted
Distance about 0.30-0.50m impacts drilling depth with whirling vibration again, and hole depth is drilled into 5-8m, and promotion screw rod exclusion boring mud is primary,
It is drilled into hole depth and is drilled into second of exclusion boring mud of 10.00m progress, it is ensured that hole depth reaches design requirement；
F, hydraulic grab draws slag, 4 hours before groove milling, carries out topsoil and grab to remove to the down-hole hammer pilot hole slot section is completed,
In hydraulic grab work progress, a width ground-connecting-wall is divided into three blocks, No. 1 block region topsoil is carried out first in certain sequence
It grabs and removes, then the topsoil of No. 2 blocks of progress, which is grabbed, removes, and No. 3 block topsoils for finally carrying out ground-connecting-wall centre position grab removing, by
Enter rock in the short wall position for hanging foot wall, and generally reaches 15 meters or more, and miscellaneous fill or clay are 7 meters or so of below ground
Range, therefore whether the construction of the hydraulic grab will not be by being to hang foot wall to be influenced；
G, Double-wheel milling grooving, the hydraulic motor by controlling slotter drive two rollers equipped with milling wheel to rotate respectively, groove milling
When, two rollers slowly run, and direction is on the contrary, stratum country rock milling is crushed by the milling wheel, while the hydraulic motor
Slush pump is driven, the rock slag that drilling goes out is discharged to mud after ground is focused on by the suction sand mouth among milling wheel and is returned
It returns, so on circulate, until whole hole grooving；
H, slurrying and cycle, in grooving operation process, in slot mud liquid level be maintained at the excessive highest liquid level of mud hereinafter,
And it is higher by level of ground water 1m or more, when grooving operation suspension of works, wall top face 0.5m is not lower than led in mud face.
2. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：The quantity of the two level distribution box in the step b is no less than three.
3. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：The wall of leading in the step c should set up heavy section steel along wall axis direction.
4. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：The quantity of the air compressor in the step e is three, the model of the air compressor
900XHH ~ 1150XH, nominal volume flow are 25.5m3/32.6m3, rated discharge pressure 3.45MPa/2.41Mpa is described latent
The atmospheric pressure value 2.41MPa-3MPa of drift.
5. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：The model JINT40 of the hydraulic grab in the step f, adaptation intensity are 50MPa~100MPa.
6. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：Topsoil is grabbed except the criterion completed is the drop of hydraulic grab work efficiency described in the course of work in the step f
It is low apparent, continue to cannot be satisfied ground-connecting-wall grooving needs using the hydraulic grab.
7. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：The quantity of the hydraulic motor of the slotter in the step g be three, the slotter it is vertical
Degree should be consistent with slot section axis.
8. ground-connecting-wall, which draws, under a kind of high-strength geology for complexity according to claim 1 grabs the quick forming construction method thereof of milling,
It is characterized in that：The mud in the step h is bentonite and tap water is that raw material stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810690642.7A CN108755659A (en) | 2018-06-28 | 2018-06-28 | One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810690642.7A CN108755659A (en) | 2018-06-28 | 2018-06-28 | One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108755659A true CN108755659A (en) | 2018-11-06 |
Family
ID=63974791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810690642.7A Pending CN108755659A (en) | 2018-06-28 | 2018-06-28 | One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755659A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158689A (en) * | 2019-05-09 | 2019-08-23 | 中铁建华南建设有限公司 | Groove milling construction method, pilot hole technique and the pilot hole structure of diaphram wall |
| CN111364446A (en) * | 2020-03-17 | 2020-07-03 | 深圳市工勘岩土集团有限公司 | Grooving construction method and grooving construction structure for deep hard rock underground diaphragm wall |
| CN111519679A (en) * | 2020-05-21 | 2020-08-11 | 中铁二十二局集团轨道工程有限公司 | Rapid grooving construction method for micro-weathering rock of diaphragm wall |
| CN111608459A (en) * | 2020-05-21 | 2020-09-01 | 深圳市工勘岩土集团有限公司 | Construction method of underground diaphragm wall in underground air-raid shelter area |
| CN114086571A (en) * | 2021-11-23 | 2022-02-25 | 上海远方基础工程有限公司 | Rock entering grooving construction method by matching small-diameter down-the-hole hammer with groove milling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204940391U (en) * | 2015-06-23 | 2016-01-06 | 黄河建工集团有限公司 | Construction of diaphragm wall groove milling system |
| KR20160026343A (en) * | 2014-08-29 | 2016-03-09 | (주)지중공영 | Apparatus for direct boring with a long steel pipe to improve an ability to go straight in the bored hole and method for constructing mini pipe roof of using thereof |
| CN107524138A (en) * | 2016-06-20 | 2017-12-29 | 宏润建设集团股份有限公司 | A kind of ultra-deep foundation pit construction method of underground continuous wall |
-
2018
- 2018-06-28 CN CN201810690642.7A patent/CN108755659A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160026343A (en) * | 2014-08-29 | 2016-03-09 | (주)지중공영 | Apparatus for direct boring with a long steel pipe to improve an ability to go straight in the bored hole and method for constructing mini pipe roof of using thereof |
| CN204940391U (en) * | 2015-06-23 | 2016-01-06 | 黄河建工集团有限公司 | Construction of diaphragm wall groove milling system |
| CN107524138A (en) * | 2016-06-20 | 2017-12-29 | 宏润建设集团股份有限公司 | A kind of ultra-deep foundation pit construction method of underground continuous wall |
Non-Patent Citations (3)
| Title |
|---|
| 刘昌辉、时红莲: "《基础工程学》", 31 August 2009, 中国地质大学出版社 * |
| 江苏国际建设有限公司: "吉林省白山市靖宇县光伏扶贫项目一标段3区管桩工程专项施工方案", 《百度文库》 * |
| 雷勇: "嵌岩地下连续墙施工技术应用与探讨", 《铁道建筑技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158689A (en) * | 2019-05-09 | 2019-08-23 | 中铁建华南建设有限公司 | Groove milling construction method, pilot hole technique and the pilot hole structure of diaphram wall |
| CN111364446A (en) * | 2020-03-17 | 2020-07-03 | 深圳市工勘岩土集团有限公司 | Grooving construction method and grooving construction structure for deep hard rock underground diaphragm wall |
| CN111519679A (en) * | 2020-05-21 | 2020-08-11 | 中铁二十二局集团轨道工程有限公司 | Rapid grooving construction method for micro-weathering rock of diaphragm wall |
| CN111608459A (en) * | 2020-05-21 | 2020-09-01 | 深圳市工勘岩土集团有限公司 | Construction method of underground diaphragm wall in underground air-raid shelter area |
| CN114086571A (en) * | 2021-11-23 | 2022-02-25 | 上海远方基础工程有限公司 | Rock entering grooving construction method by matching small-diameter down-the-hole hammer with groove milling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108755659A (en) | One kind is drawn for ground-connecting-wall under complicated high-strength geology grabs the quick forming construction method thereof of milling | |
| CN110566114B (en) | Hard rock drilling pile-forming construction method of rotary excavating cluster type down-the-hole hammer | |
| CN103195058B (en) | Be convenient to solution cavity and grow the method that regional bridge pier adopts many casings to construct | |
| CN103046931B (en) | Method for forming holes of vertical shaft/pilot shaft through impact type drilling machine in impacting mode | |
| CN104947690B (en) | Grooving construction method for embedding underground continuous wall into rock | |
| CN108130904A (en) | A kind of construction method of the composite bushing drill-pouring pilework of neighbouring existing subway | |
| CN106284187B (en) | The quick method for dismounting of Face Slab of Concrete of Rock-fill Dam destruction area | |
| CN107165160A (en) | Electric drill bores construction filling pile construction engineering method with rotary digging relay | |
| CN104612179B (en) | Through the construction method of the diaphram wall of super thick silty sand ground | |
| CN106149679A (en) | The construction technology of diaphram wall built by slotter | |
| CN106545007A (en) | The method of pile in stratum of the bottom for hard rock stratum | |
| CN111519679A (en) | Rapid grooving construction method for micro-weathering rock of diaphragm wall | |
| CN107083932A (en) | The installation method of steel pipe column in the clean cycle equipment that drills and pilot tunnel | |
| WO2022227725A1 (en) | Trench forming construction method | |
| CN110984133A (en) | Construction method for foundation of deep-water shallow-covering-layer trestle | |
| CN203584301U (en) | Hole guide equipment | |
| CN111577118B (en) | Mechanical rapid hole forming construction method for slide-resistant pile | |
| CN103967024A (en) | United construction method for forming holes and grooves in deep sandy gravel stratum | |
| CN108775008A (en) | A kind of down-hole hammer drawing hole construction process | |
| CN110528498A (en) | A kind of construction method of the continuous wall trench underground of granite geology | |
| CN112252332A (en) | Grooving construction method for underground diaphragm wall of ultra-deep shaft | |
| CN102235010A (en) | Treatment method for hanging sinking stop due to expansive soil in well sinking | |
| CN103088832B (en) | Annular type impact method for digging rock at bottom of drilled pile shaft | |
| RU2461712C2 (en) | Development method of mineral deposits by drilling of large-diameter core | |
| CN102425388A (en) | Slag salvaging barrel drill for drilling pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |