CN107740399A - A kind of structure and its construction method for handling both wired karst slope type water damages - Google Patents
A kind of structure and its construction method for handling both wired karst slope type water damages Download PDFInfo
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- CN107740399A CN107740399A CN201711138080.7A CN201711138080A CN107740399A CN 107740399 A CN107740399 A CN 107740399A CN 201711138080 A CN201711138080 A CN 201711138080A CN 107740399 A CN107740399 A CN 107740399A
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- side slope
- roadbed
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 230000006378 damage Effects 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims description 31
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 105
- 238000007569 slipcasting Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000000151 deposition Methods 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 230000004224 protection Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002803 maceration Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000003673 groundwater Substances 0.000 abstract description 4
- 239000004575 stone Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Agronomy & Crop Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a kind of structure for handling both wired karst slope type water damages, including roadbed and upstream side slope and downstream side slope, it is characterized in that, longitudinally spaced setting faces upward oblique osculum towards the inclined upstream in downstream respectively in the upstream side slope and downstream side slope and oblique osculum is faced upward in downstream, and the roadbed both sides, which are correspondingly arranged, is longitudinally continuous upstream row ditch and downstream row ditch;The upstream side slope faces upward oblique osculum downstream in upstream and is longitudinally continuous vertical grouting curtain provided with sealing, and the vertical grouting curtain lower end enters solvable petrographic province and is deeper than roadbed bottom.The water of roadbed and both sides side slope is led to gutter by osculum and discharged by the present invention, vertical grouting curtain in the side slope of upstream block can be in lava karst water under maceration bubble roadbed, reinforcing sphenoid fills Karst Fissures, the solution cavity of solvable petrographic province below roadbed by slip casting, blocking underground water activity space, prevent from, because groundwater level fluctuation causes karst collapse, ensureing the safety and stability of railway bed.
Description
Technical field
The present invention relates to Geotechnical Engineering field, in particular to a kind of knot for handling Existing Railway Line karst slope type water damage
Structure and construction method.
Background technology
When railway bed passes through karst region, typically by strengthening geological mapping, specific aim taken at the grounds such as Karst grouting
Reason measure, the linear rate of karstification that grouting amount discloses according to drilling determines, for larger solution cavity typically using backfill of blowing sand, then note
Slurry is reinforced.Due to the randomness of karsts developing area, erratic behavior, Unpredictability, the effect after being handled using above-mentioned measure is still poor
Strong man anticipates, and ground still suffers from the possibility of karst water.Karst water flows with the change of external condition, corrodes basement rock, takes away solution cavity
Interior charges, settlement of subgrade, deformation are easily caused, or even the problems such as unstability, influence the operation security of train.Therefore, when
It was found that when karstic water flooding be present in roadbed, it is necessary to take safety, rational treatment measures to reinforce ground as early as possible, prevent
Further harm.
Particularly when karst region is sloping area, slope provides landform facility for the flowing of underground water, and underground water is more
Easily flowed from upstream toward downstream, so as to corrode roadbed, cause roadbed water damage.The subgrade drainage harm reason of sloping area, except pin
Outside to the improvement of water damage, the flowing for separating underground water is also needed, processing mode is more complicated.It is oblique that slope type, which refers mainly to above-ground route,
Slope, generally interface of stone and earth is integrally parallel with above-ground route.
Therefore, it is necessary to develop a kind of structure and construction method that can handle Existing Railway Line karst slope type water damage,
Railway bed is reinforced, water damage is administered, improves the stability of roadbed, ensures the safety of railway engineering.
The content of the invention
Present invention aim to solve the deficiency of above-mentioned background technology, there is provided one kind can handle Existing Railway Line karst
The structure of slope type water damage, is reinforced to railway bed, and water damage is administered, and improves the stability of roadbed, ensures iron
The safety of road engineering.
The technical scheme is that:A kind of structure for handling both wired karst slope type water damages, including roadbed and
Upstream side slope and downstream side slope, it is characterised in that longitudinally spaced setting is distinguished in the upstream side slope and downstream side slope down
Swim that oblique osculum is faced upward in inclined upstream and oblique osculum is faced upward in downstream, oblique osculum and downstream are faced upward in the roadbed both sides in upstream respectively
Face upward oblique osculum downstream and be correspondingly arranged and be longitudinally continuous upstream row ditch and downstream row ditch;
The upstream side slope faces upward the vertical grouting curtain that is longitudinally continuous that oblique osculum downstream is provided with sealing in upstream, described perpendicular
Enter solvable petrographic province to grouting curtain lower end and be deeper than roadbed bottom.
Preferably, it is provided with below the roadbed on the inside of the vertical grouting curtain and is longitudinally continuous reinforcing sphenoid, it is described to add
Gu sphenoid gos deep into solvable petrographic province and laterally roadbed is isolated with peripheral region, the reinforcing sphenoid bottom is deeper than vertical slip casting
Curtain lower end.
Further, the upstream that the reinforcing sphenoid includes setting separately down in upstream side slope and downstream side slope is oblique
The oblique grouting curtain of grouting curtain and downstream, the oblique grouting curtain in the upstream and the oblique grouting curtain in downstream are laterally opposed towards road
Base it is centroclinal setting and lower end be fused into one.
Further, vertical grouting curtain is laterally positioned in upstream and faced upward between oblique osculum and upstream row ditch, it is described on
Oblique grouting curtain is swum to set obliquely from upstream row ditch.
Preferably, multiple upstreams are faced upward the longitudinally spaced setting of oblique osculum and embarked on journey, and multirow faces upward oblique osculum along height side
To interval setting, adjacent rows are faced upward laterally staggered setting between oblique osculum.
Multiple downstreams are faced upward the longitudinally spaced setting of oblique osculum and embarked on journey, and oblique osculum is faced upward under multirow and is set along short transverse interval
Put, laterally staggered setting between oblique osculum is faced upward under adjacent rows.
Preferably, the downstream row ditch is located at the toe downstream of downstream side slope, downstream row ditch two sides phase
To up towards outer incline.
Preferably, the upstream slopes of the upstream side slope are provided with and are longitudinally continuous bank protection gutter.
The present invention also provides a kind of construction method of the structure of above-mentioned processing Existing Railway Line karst slope type water damage, its
It is characterised by, step is:
A. oblique osculum is faced upward in upstream, oblique osculum is faced upward in downstream for longitudinally spaced construction in upstream side slope, downstream side slope, on road
Excavate and be longitudinally continuous upstream row ditch, downstream row ditch in base both sides;
B. the longitudinally spaced vertical injected hole of construction at oblique osculum downstream is faced upward in the upstream of upstream side slope, in vertical slip casting
Mortar depositing construction forms and is longitudinally continuous vertical grouting curtain in hole.
Preferably, construction procedure c is continued after step b constructions, step c is under the roadbed on the inside of vertical grouting curtain
Square mortar depositing construction forms and is longitudinally continuous reinforcing sphenoid.
Preferably, it is characterised in that step c is that longitudinally spaced construction is distinguished in upstream side slope, downstream side slope towards road
The oblique injected hole in the centroclinal upstream of base, the oblique injected hole in downstream, respectively in the oblique injected hole in upstream, the oblique injected hole in downstream
Interior mortar depositing construction, which is formed, is longitudinally continuous the oblique grouting curtain of the oblique grouting curtain in upstream and downstream, the oblique grouting curtain in upstream and
Merge to form reinforcing sphenoid in the oblique grouting curtain bottom in downstream.
Beneficial effects of the present invention are:
1. the water of roadbed and both sides side slope is led into gutter by osculum to discharge, the vertical slip casting curtain in the side slope of upstream
Curtain block can be in lava karst water under maceration bubble roadbed, reinforce sphenoid by slip casting to fill solvable petrographic province below roadbed
Karst Fissures, solution cavity, blocking underground water activity space, prevent from, because groundwater level fluctuation causes karst collapse, ensureing railway bed
Safety and stability.
2. the consolidation process of roadbed can be carried out when water damage occurs in Existing Railway Line karst slope type, can mitigate in time
Water damage is influenceed, and ground is effectively reinforced, ensures the long-time stability and settlement request of roadbed.The construction machinery letter of use
Single, small to railway operation interference, construction is simple is convenient, and quality controllability is high, positive effect, can be widely popularized in Existing Railway Line
In the water hazard prediction of karst slope type.
Brief description of the drawings
Fig. 1 is the schematic diagram (cross section) of the structure of present invention processing Existing Railway Line karst slope type water damage
Wherein:1- roadbed 2- topsoil 3- interface of stone and earth 4- are faced upward solvable petrographic province 5- upstreams side slope 6- downstreams side slope 7- upstreams
Face upward the vertical grouting curtain 12- of oblique osculum 9- upstream rows ditch 10- downstream rows ditch 11- and reinforce sphenoid in oblique osculum 8- downstreams
The vertical oblique notes in injected hole 17- upstreams of the oblique grouting curtain 15- bank protections gutter 16- in the oblique grouting curtain 14- downstreams in 13- upstreams
Starch the oblique injected hole 19- bank protection platforms in hole 18- downstreams.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of structure for handling Existing Railway Line karst slope type water damage provided by the invention, including road
The upstream side slope 5 of base 1 and roadbed both sides, downstream side slope 6, upstream side slope 5 is longitudinally spaced to be set towards the inclined upstream in downstream
Oblique osculum 7 is faced upward, longitudinally spaced set towards the inclined downstream in downstream faces upward oblique osculum 8 in downstream side slope 6.Face upward oblique draining in upstream
Hole 7, downstream face upward oblique osculum 8 inside topsoil 2 towards downstream tilt extend out to it is domatic.Faced upward in downstream tiltedly in the downstream of roadbed 1
The downstream of osculum 8, which is correspondingly arranged, is longitudinally continuous downstream row ditch 10, and downstream row ditch 10 can be located in downstream side slope 6 or under toe
Trip.The downstream that the upstream side of roadbed 1 faces upward oblique osculum 7 in upstream is correspondingly arranged and is longitudinally continuous upstream row ditch 9.Upstream side slope 5 is
Cut slope, plain stage of slope 19 is provided with roadbed 1 closing on, plain stage of slope 19 is located at upstream and faces upward the oblique lower section of osculum 7, upstream row
Ditch 9 is located on plain stage of slope 19.It is longitudinally roadbed length bearing of trend in the present invention, is laterally the width of roadbed.
Upstream side slope 5 faced upward in upstream the oblique downstream of osculum 7 be provided be longitudinally continuous vertical grouting curtain 11, vertical slip casting curtain
Curtain 11 is laterally positioned in upstream and faced upward between oblique osculum 7 and upstream row ditch 9, and vertical grouting curtain 11 is located at side slope in the present embodiment
The outer ledge of platform 19.The vertical lower end of grouting curtain 11 enters solvable petrographic province 4 and is deeper than the bottom of roadbed 1;Vertical grouting curtain 11
The lower section of roadbed 1 of inner side, which is provided with to be longitudinally continuous, reinforces sphenoid 12, reinforce sphenoid 12 go deep into solvable petrographic province 4 and with roadbed 1
Enclosed region is transversely formed, roadbed 1 is isolated with peripheral region.Reinforcing sphenoid 12 includes upstream side slope 5, downstream side slope
The oblique grouting curtain 14 of the oblique grouting curtain 13 in upstream and downstream set separately down on 6, the oblique He of grouting curtain 13 in upstream
The downstream laterally opposed and lower end centroclinal towards roadbed of oblique grouting curtain 14 is fused into one.The bottom of sphenoid 12 is reinforced to be deeper than
The lower end of grouting curtain 11.Vertical grouting curtain 11, reinforcing sphenoid 12 are can through the entrance of interface of stone and earth 3 from topsoil 2
Lava area 4.Vertical grouting curtain 11 in upstream side slope 5 block can be in lava karst water under maceration bubble roadbed, reinforce wedge shape
Body 12 fills Karst Fissures, the solution cavity of solvable petrographic province below roadbed, blocking underground water activity space, it is whole to form closure with ground
Body, roadbed is isolated with peripheral region, prevent because groundwater level fluctuation causes karst collapse, ensure that the safety of railway bed is steady
It is fixed.
The oblique grouting curtain 13 in upstream is set obliquely from upstream row ditch 9, because easy for construction to railway operation
Interference it is small, and slip casting forms slip casting obturator under gutter, can prevent underwater maceration in gutter from steeping roadbed.
Multiple upstreams are faced upward the longitudinally spaced setting of oblique osculum 7 and embarked on journey, and multirow faces upward oblique osculum 7 along short transverse interval
Set, adjacent rows are faced upward laterally staggered setting between oblique osculum 7.Multiple downstreams face upward that oblique osculum 8 is longitudinally spaced to be arranged to
OK, oblique osculum 8 is faced upward under multirow to be arranged at intervals along short transverse on the roadbed slope of upstream, is faced upward under adjacent rows between oblique osculum
Laterally staggered setting.Water in roadbed and side slope can uniformly be discharged with this.
The upstream slopes of upstream side slope 5 are provided with and are longitudinally continuous bank protection gutter 15, can will flow to the water of upstream side slope
Interception is collected, avoids downstream roadbed flowing.Downstream row ditch 10, the two sides of bank protection gutter 15 are relatively upward towards flare
Tiltedly, it is easy to moisture evaporation in ditch.
The construction method of the structure of above-mentioned processing Existing Railway Line karst slope type water damage, step are:
A. oblique osculum 7 is faced upward in upstream, oblique osculum 8 is faced upward in downstream for longitudinally spaced construction in upstream side slope 5, downstream side slope 6,
Excavated in the both sides of roadbed 1 and be longitudinally continuous upstream row ditch 9, downstream row ditch 10.Oblique osculum 7 is faced upward in upstream, oblique row is faced upward in downstream
8 long 8m of water hole, longitudinal pitch 1.5m, dip angle α are 10 ° -20 °.
B. faced upward in the upstream of upstream side slope 5 constructed at the oblique downstream of osculum 7 it is multiple it is vertical injected hole 16 is longitudinally spaced embarks on journey,
Vertical injected hole 16 is two rows of a line or laterally spaced setting, laterally staggered during the vertical injected hole 16 of two rows, is vertically being noted
Mortar depositing construction, which is formed, in slurry hole 16 is longitudinally continuous vertical grouting curtain 11.The vertical injected hole 16 of the present embodiment is two rows, Kong Heng/
Longitudinal pitch 2m, hole depth enter in solvable petrographic province 3 and are not less than 5m, and by slip casting, vertical grouting curtain 11 is formed in roadbed upstream,
Maceration under the karst water in solvable petrographic province 4 is blocked to steep roadbed 1.
C. upstream side slope 5, in downstream side slope 6 respectively longitudinally spaced construction towards the oblique slip casting in the centroclinal upstream of roadbed
Hole 17, the oblique injected hole 18 in downstream, respectively in the oblique injected hole 17 in upstream, the oblique injected hole 18 in downstream mortar depositing construction formed it is vertical
To the oblique grouting curtain 14 of the oblique grouting curtain 13 in continuous upstream and downstream, the oblique grouting curtain 13 in upstream and the oblique note in downstream
Slurry curtain 14 bottom, which merges to be formed, reinforces sphenoid 12.The oblique injected hole 17 in upstream, the oblique injected hole 18 in downstream are to railway bed 1
Centroclinal angle beta be 20 ° -45 °, 20~25m of hole depth, longitudinal pitch 6m, the karst of solvable petrographic province 3 is filled by slip casting
Crack, solution cavity, blocking underground water activity space, prevent from, because groundwater level fluctuation causes karst collapse, ensureing the peace of railway bed 1
It is complete stable.
By the stop to karst water and the consolidation process to roadbed, form of construction work is small to both wired interference, processing scheme
Effectively alleviating the water damage of roadbed influences, and ensure that the long-time stability and settlement request of roadbed.
Claims (10)
1. a kind of structure for handling both wired karst slope type water damages, including roadbed (1) and upstream side slope (5) and downstream side
Slope (6), it is characterised in that it is inclined towards downstream that longitudinally spaced setting is distinguished on the upstream side slope (5) and downstream side slope (6)
Oblique osculum (7) is faced upward in upstream and oblique osculum (8) is faced upward in downstream, roadbed (1) both sides faced upward respectively in upstream oblique osculum (7) and
Downstream, which is faced upward oblique osculum (8) downstream and is correspondingly arranged, is longitudinally continuous upstream row ditch (9) and downstream row ditch (10);
The upstream side slope (5) faces upward oblique osculum (7) downstream in upstream and is longitudinally continuous vertical grouting curtain (11) provided with sealing,
Described vertical grouting curtain (11) lower end enters solvable petrographic province (4) and is deeper than roadbed (1) bottom.
2. the structure as claimed in claim 1 for handling both wired karst slope type water damages, it is characterised in that the vertical note
It is provided with to be longitudinally continuous below roadbed (1) on the inside of slurry curtain (11) and reinforces sphenoid (12), the reinforcing sphenoid (12) is deep
Enter solvable petrographic province (4) and laterally roadbed (1) is isolated with peripheral region, described reinforcing sphenoid (12) bottom is deeper than vertical slip casting
Curtain (11) lower end.
3. the structure as claimed in claim 2 for handling both wired karst slope type water damages, it is characterised in that the reinforcing wedge
Body (12) include the oblique grouting curtain in upstream (13) set separately down in upstream side slope (5) and downstream side slope (6) and under
Oblique grouting curtain (14) is swum, the oblique grouting curtain in upstream (13) and the oblique grouting curtain in downstream (14) are laterally opposed towards road
Base it is centroclinal setting and lower end be fused into one.
4. the structure as claimed in claim 3 for handling both wired karst slope type water damages, it is characterised in that vertical slip casting curtain
Curtain (11) is laterally positioned in upstream and faced upward between oblique osculum (7) and upstream row ditch (9), the oblique grouting curtain in upstream (13) from
Rise and set obliquely in upstream row ditch (9) place.
5. the structure as claimed in claim 1 for handling both wired karst slope type water damages, it is characterised in that face upward multiple upstreams
The oblique longitudinally spaced setting of osculum (7) is embarked on journey, and multirow oblique osculum (7) of facing upward is arranged at intervals along short transverse, adjacent rows
Face upward laterally staggered setting between oblique osculum (7).
Multiple downstreams are faced upward the longitudinally spaced setting of oblique osculum (8) and embarked on journey, and oblique osculum (8) is faced upward under multirow along short transverse interval
Set, laterally staggered setting between oblique osculum (8) is faced upward under adjacent rows.
6. the structure as claimed in claim 1 for handling both wired karst slope type water damages, it is characterised in that the downstream row
Ditch (10) is located at the toe downstream of downstream side slope (6), and downstream row ditch (10) two sides are relatively upward towards outer incline.
7. the structure as claimed in claim 1 for handling both wired karst slope type water damages, it is characterised in that the upstream edge
The upstream slopes on slope (5) are provided with and are longitudinally continuous bank protection gutter (15).
8. a kind of construction method for handling both structures of wired karst slope type water damage as claimed in claim 1, its feature exist
In step is:
A. oblique osculum (7) is faced upward in upstream, oblique osculum is faced upward in downstream for longitudinally spaced construction in upstream side slope (5), downstream side slope (6)
(8), excavated in roadbed (1) both sides and be longitudinally continuous upstream row ditch (9), downstream row ditch (10);
B. the longitudinally spaced vertical injected hole (16) of construction at oblique osculum (7) downstream is faced upward in the upstream of upstream side slope (5), perpendicular
Formed to the interior mortar depositing construction of injected hole (16) and be longitudinally continuous vertical grouting curtain (11).
9. the construction method as claimed in claim 8 for handling both structures of wired karst slope type water damage, it is characterised in that
Step b continues construction procedure c after constructing, step c is that roadbed (1) the lower section slip casting on the inside of vertical grouting curtain (11) is applied
Work, which forms to be longitudinally continuous, reinforces sphenoid (12).
10. the construction method as claimed in claim 9 for handling both structures of wired karst slope type water damage, its feature exist
In step c is that longitudinally spaced construction is distinguished in upstream side slope (5) and downstream side slope (6) towards the centroclinal upstream of roadbed
Oblique injected hole (17) and the oblique injected hole in downstream (18), respectively in the oblique injected hole in upstream (17), the oblique injected hole in downstream
(18) interior mortar depositing construction forms and is longitudinally continuous the oblique grouting curtain of the oblique grouting curtain in upstream (13) and downstream (14), and upstream is oblique
Merge to be formed to grouting curtain (13) and downstream oblique grouting curtain (14) bottom and reinforce sphenoid (12).
Priority Applications (1)
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CN201711138080.7A CN107740399A (en) | 2017-11-16 | 2017-11-16 | A kind of structure and its construction method for handling both wired karst slope type water damages |
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CN201711138080.7A CN107740399A (en) | 2017-11-16 | 2017-11-16 | A kind of structure and its construction method for handling both wired karst slope type water damages |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109853631A (en) * | 2019-02-25 | 2019-06-07 | 苏州大学 | A kind of construction method of the totally-enclosed processing of contaminated site |
CN111501424A (en) * | 2020-05-08 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Comprehensive treatment method for subgrade karst collapse |
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CN206570631U (en) * | 2017-02-21 | 2017-10-20 | 中铁二十局集团第三工程有限公司 | A kind of shallow embedding shield driven tunnel crossing highway construction pre-pouring grout constructing structure |
CN207512720U (en) * | 2017-11-16 | 2018-06-19 | 中铁第四勘察设计院集团有限公司 | A kind of structure for handling both wired karst slope type water damages |
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CN109853631A (en) * | 2019-02-25 | 2019-06-07 | 苏州大学 | A kind of construction method of the totally-enclosed processing of contaminated site |
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