CN206299392U - A kind of high osmosis water-rich sand layer shield end reinforcement system - Google Patents
A kind of high osmosis water-rich sand layer shield end reinforcement system Download PDFInfo
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- CN206299392U CN206299392U CN201621340841.8U CN201621340841U CN206299392U CN 206299392 U CN206299392 U CN 206299392U CN 201621340841 U CN201621340841 U CN 201621340841U CN 206299392 U CN206299392 U CN 206299392U
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- diaphram wall
- building enclosure
- sand layer
- grouting
- reinforcing
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Abstract
The utility model is related to a kind of high osmosis water-rich sand layer shield end reinforcement system.Shield-tunneling construction concentration of risk is embodied in deformation, landslide during originating and receiving etc., therefore, it is necessary to carry out consolidation process.The utility model sets diaphram wall in station building enclosure outside, the reinforcing block for possessing impermeability between building enclosure and diaphram wall along line direction setting AT STATION；It is the grouting and reinforcing formed by earth's surface sleeve valve barrel grouting to reinforce block；Station building enclosure sets measures of preventing water with the seam crossing of diaphram wall.The utility model is used for rich groundwater, high flow rate, the shield end consolidation process of the arenaceous stratum of high osmosis；Take into full account the deficiency of conventional reinforcing mode, with reference to the strong advantage of diaphram wall water resistance, realize underground water " flowing becomes static ", for grouting and reinforcing creates condition, can quickly and efficiently improve stratum, ensure structure that shield launching and the construction safety that receives and periphery construction build safely with normally use.
Description
Technical field
The utility model belongs to tunnels and underground engineering technical field, and in particular to a kind of high osmosis water-rich sand layer shield
Termination reinforcement system and its construction method.
Background technology
With the continuous improvement of the technology of building, its construction level and construction requirements, increasing new technology, novel construction method application
To in the construction of tunnels and underground engineering, and the Typical Representative that shield method is excavated as tunnel machine, progressively it is widely applied
In the tunnel construction in traffic engineering field, field of urban rail, hydraulic engineering field and municipal field.Especially in city
In tunnel, submerged tunnel, the construction of city planting ductwork, shield method is many excellent with its quick, safety, high-quality, environmental protection, civilized construction etc.
Gesture, is increasingly becoming the first-selection of all kinds of construction methods.But its construction risk can not still despise, still suffer from caving in work progress, gush
Water, sand equivalent risk is gushed, especially shield launching or receive the stage.
The content of the invention
The purpose of this utility model is to provide a kind of high osmosis water-rich sand layer shield end reinforcement system and its construction party
Method, can fast and effectively completely cut off water source, improve soil strength, it is ensured that shield launching and the construction safety for receiving.
The technical scheme that the utility model is used for：
A kind of high osmosis water-rich sand layer shield end reinforcement system, it is characterised in that：
Diaphram wall is set in station building enclosure outside, AT STATION along circuit between building enclosure and diaphram wall
Direction sets the reinforcing block for possessing impermeability；
It is the grouting and reinforcing formed by earth's surface sleeve valve barrel grouting to reinforce block.
Station building enclosure sets measures of preventing water with the seam crossing of diaphram wall.
Station building enclosure using diaphram wall or interlocking pile sealing building enclosure form, using armored concrete or
Glass fibre tendon concrete structure.
Diaphram wall is plain concrete construction, is molded using underwater casting.
The slurries of grouting and reinforcing are cement mortar or cement-sodium silicate.
Measures of preventing water uses rotary churning pile, mixing pile or surface grouting.
Diaphram wall thickness is 0.6~1.0m；
Grouting and reinforcing is 6.0~12m along circuit longitudinal length, laterally for shield structure extends out 0.5~0.7 Bei Dong footpaths, is erected
To being upper and lower 0.5~0.7 Bei Dong footpaths of shield structure；
Measures of preventing water is close to station building enclosure, diaphram wall, and it is 0.6~0.8m to use stake footpath, and center spacing is 0.4
~0.6m；
Earth's surface mini-valve tube uses quincuncial arrangement, and transverse and longitudinal spacing is 0.4~0.8m.
The utility model has advantages below：
The utility model is used for rich groundwater, high flow rate, the shield end consolidation process of the arenaceous stratum of high osmosis.
The reinforcement principle simplicity, reasonable stress has given full play to the strong advantage of diaphram wall water resistance, realizes underground water " stream
Moving to resting stops ", favourable grouting and reinforcing condition is created, stratum can be quickly and efficiently improved, ensure shield launching with reception
Structure that construction safety and periphery construction are built safety with normally use；Meanwhile, the structure has taken into full account conventional reinforcing mode
Deficiency, can effectively control grouting amount, reduce influence of the slip casting to environment, and shorten the time of termination reinforcing, ensure
Strengthening quality, with economic benefit and social benefit higher, in railway, highway, water conservancy, urban track traffic, city planting ductwork
Etc. having a wide range of applications in engineering.
Brief description of the drawings
Fig. 1 is that shield end reinforces plan.
Fig. 2 is that shield end reinforces 1-1 profiles.
Fig. 3 is enlarged drawing at A.
In figure, 1- stations building enclosure, 2- diaphram walls, 3- grouting and reinforcings, 4- measures of preventing water, 5- stations body junction
Structure, 6- shield structures, 7- earth's surface mini-valve tubes.
Specific embodiment
The utility model is described in detail with reference to specific embodiment.
The construction characteristic of the utility model combination shield driving, take into full account geological conditions, construction level, construction organization,
The many factors such as construction period and managerial skills are influenceed, and consolidation process is carried out to its a range of soil body in active well termination,
Quickly and efficiently to improve stratum, isolation water source, improve soil strength, ensure shield launching and the construction safety that receives and
Structure that periphery construction is built safety with normally use.
The high osmosis water-rich sand layer shield end reinforcement system that the utility model is related to, in the outside of station building enclosure 1
Diaphram wall 2 is set, is set along line direction between building enclosure 1 and diaphram wall 2 possess impermeability AT STATION
Reinforce block；It is the grouting and reinforcing 3 formed by the slip casting of earth's surface mini-valve tube 7 to reinforce block.Station building enclosure 1 and diaphram wall
2 seam crossing sets measures of preventing water 4.
Station building enclosure 1 uses the sealing building enclosure form of diaphram wall or interlocking pile, using armored concrete
Or glass fibre tendon concrete structure.Diaphram wall 2 is plain concrete construction, using underwater casting.The slurries of grouting and reinforcing 3
It is cement mortar or cement-sodium silicate.Measures of preventing water 4 is using rotary churning pile, mixing pile or surface grouting.
The thickness of diaphram wall 2 is 0.6~1.0m；Grouting and reinforcing 3 is 6.0~12m along circuit longitudinal length, is laterally shield
Structure structure 6 extends out 0.5~0.7 Bei Dong footpaths, and vertically for shield structure, about 6 0.5~0.7 Bei Dong footpaths；Measures of preventing water 4 is close to station
Building enclosure 1, diaphram wall 2, it is 0.6~0.8m to use stake footpath, and center spacing is 0.4~0.6m；Earth's surface mini-valve tube 7 is used
Quincuncial arrangement, transverse and longitudinal spacing is 0.4~0.8m.
The construction method of above-mentioned high osmosis water-rich sand layer shield end reinforcement system, comprises the following steps：
Step one：Station building enclosure 1 is constructed：
After " three supplies and one leveling ", groove or hole are set as by machinery, and lift steel reinforcement cage, concrete placed under water completes car
Building enclosure of standing 1 is constructed；
Step 2：Diaphram wall 2 is constructed：
According to the scope of grouting and reinforcing 3, underground diaphragm wall 2 is accurately positioned, completing diaphram wall 2 with step one pours；
Step 3：Grouting and reinforcing 3 is constructed：
Earth's surface mini-valve tube 7 is set, by surface grouting, grouting and reinforcing 3 is completed；
Step 4：Measures of preventing water 4 is constructed：
After station building enclosure 1, diaphram wall 2 reach design strength, start measures of preventing water 4 and construct；
Step 5：Station agent structure 5 is constructed：
After grouting and reinforcing 3, the quality inspection of measures of preventing water 4 are qualified, station excavation is carried out, and apply station agent structure 5；
Step 6：Shield structure 6 is constructed：
After station agent structure 5 reaches design strength, start shield launching or reception, apply shield structure 6.
Content of the present utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type specification and any equivalent conversion taken technical solutions of the utility model, are claim institute of the present utility model
Cover.
Claims (7)
1. a kind of high osmosis water-rich sand layer shield end reinforcement system, it is characterised in that：
In station building enclosure（1）Outside sets diaphram wall（2）, building enclosure AT STATION（1）With diaphram wall（2）It
Between set along line direction and possess the reinforcing block of impermeability；
It is by earth's surface mini-valve tube to reinforce block（7）The grouting and reinforcing that slip casting is formed（3）.
2. a kind of high osmosis water-rich sand layer shield end reinforcement system according to claim 1, it is characterised in that：
Station building enclosure（1）With diaphram wall（2）Seam crossing set measures of preventing water（4）.
3. a kind of high osmosis water-rich sand layer shield end reinforcement system according to claim 1, it is characterised in that：
Station building enclosure（1）Using diaphram wall or the sealing building enclosure form of interlocking pile, using armored concrete or
Glass fibre tendon concrete structure.
4. a kind of high osmosis water-rich sand layer shield end reinforcement system according to claim 1, it is characterised in that：
Diaphram wall（2）It is plain concrete construction, is molded using underwater casting.
5. a kind of high osmosis water-rich sand layer shield end reinforcement system according to claim 1, it is characterised in that：
Grouting and reinforcing（3）Slurries be cement mortar or cement-sodium silicate.
6. a kind of high osmosis water-rich sand layer shield end reinforcement system according to claim 2, it is characterised in that：
Measures of preventing water（4）Using rotary churning pile, mixing pile or surface grouting.
7. a kind of high osmosis water-rich sand layer shield end reinforcement system according to claim 2, it is characterised in that：
Diaphram wall（2）Thickness is 0.6~1.0m；
Grouting and reinforcing（3）It is 6.0~12m along circuit longitudinal length, is laterally shield structure（6）0.5~0.7 Bei Dong footpaths are extended out,
It is vertically shield structure（6）Upper and lower 0.5~0.7 Bei Dong footpaths；
Measures of preventing water（4）It is close to station building enclosure（1）, diaphram wall（2）, it is 0.6~0.8m, center spacing to use stake footpath
It is 0.4~0.6m；
Earth's surface mini-valve tube（7）Using quincuncial arrangement, transverse and longitudinal spacing is 0.4~0.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621340841.8U CN206299392U (en) | 2016-12-08 | 2016-12-08 | A kind of high osmosis water-rich sand layer shield end reinforcement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621340841.8U CN206299392U (en) | 2016-12-08 | 2016-12-08 | A kind of high osmosis water-rich sand layer shield end reinforcement system |
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|---|---|
| CN206299392U true CN206299392U (en) | 2017-07-04 |
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| CN201621340841.8U Active CN206299392U (en) | 2016-12-08 | 2016-12-08 | A kind of high osmosis water-rich sand layer shield end reinforcement system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593470A (en) * | 2016-12-08 | 2017-04-26 | 中铁第勘察设计院集团有限公司 | High-permeability water-rich sand shield terminal reinforcing system and construction method thereof |
| CN107489427A (en) * | 2017-10-10 | 2017-12-19 | 南昌轨道交通集团有限公司地铁项目管理分公司 | A kind of water-rich sand layer shield launching termination ruggedized construction and its construction method |
| CN112228084A (en) * | 2020-10-29 | 2021-01-15 | 上海市基础工程集团有限公司 | Shield tunnel portal expanding reconstruction construction method |
-
2016
- 2016-12-08 CN CN201621340841.8U patent/CN206299392U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593470A (en) * | 2016-12-08 | 2017-04-26 | 中铁第勘察设计院集团有限公司 | High-permeability water-rich sand shield terminal reinforcing system and construction method thereof |
| CN107489427A (en) * | 2017-10-10 | 2017-12-19 | 南昌轨道交通集团有限公司地铁项目管理分公司 | A kind of water-rich sand layer shield launching termination ruggedized construction and its construction method |
| CN112228084A (en) * | 2020-10-29 | 2021-01-15 | 上海市基础工程集团有限公司 | Shield tunnel portal expanding reconstruction construction method |
| CN112228084B (en) * | 2020-10-29 | 2022-07-08 | 上海市基础工程集团有限公司 | Shield tunnel portal expanding reconstruction construction method |
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