CN109083162A - A kind of infiltration Reinforcing High Slope ejectment system and construction method - Google Patents
A kind of infiltration Reinforcing High Slope ejectment system and construction method Download PDFInfo
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- CN109083162A CN109083162A CN201810954767.6A CN201810954767A CN109083162A CN 109083162 A CN109083162 A CN 109083162A CN 201810954767 A CN201810954767 A CN 201810954767A CN 109083162 A CN109083162 A CN 109083162A
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- slope
- construction
- pile
- side slope
- ejectment
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Classifications
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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
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- 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
Abstract
The present invention provides a kind of infiltration Reinforcing High Slope ejectment system and construction methods, the excavation slope surface of smooth quasi- reinforcing easily collapsed, then the paste-sprayed post of construction high slope lower part, when the intensity of paste-sprayed post reaches the 85% of design strength, the aggregate pile for upper slope surface of constructing again, the finally protection works of construction retaining wall and slope surface, form combined supporting and simultaneously connect water outlet, become a complete drainage system with subgrade drainage engineering.Lower part slope surface is reinforced through paste-sprayed post, form a soil body that is more closely knit and having some strength, and inclined retaining wall is still faced upward as supporting in outside, the water flow of slope surface flows through the aggregate pile of the top soil body, aggregate pile itself has the effect of solid soil, and there is certain intensity, at the same time as the channel of draining, pellet can inherently play the role of loaded filter, soil erosion, to will likely water flow slope soil is discharged, so that playing prevents high slope from a series of diseases such as avalanche, slump and landslide occur.
Description
Technical field
The present invention relates to construction engineering technical field, specially a kind of infiltration Reinforcing High Slope ejectment system and construction party
Method.
Background technique
The construction of highway drives the rapid development of local economy.Along with the high speed development of China's economic, country
To develop mountain areas, builds up monutainous regions, change the looks of mountain area economy lag, uplift the people's living standard, it is remote to greatly develop southwest
Mountain area infrastructure construction, gradually southwester area extends freeway net.
Wherein, infrastructure construction is especially big with expressway construction engineering scale, and technical difficulty is high.
Southwest Mountainous Areas is mostly karst area, and ground is relatively broken, poor water retention property, Southwest Mountainous Areas summer abundant rainfall, in addition
Geology is poor, so causing the easy unstability of roadbed side slope, collapsing.It is particularly evident with Guangxi, Guizhou mountainous area.The mountain ridge is express highway roadbed
Route selection is mostly brink of precipice, and subgrade engineering is mostly high slope roadbed, and infiltration side slope exists also relatively more.Guizhou province is being built and
(the emerging high speed of favour) being open to the traffic is express highway roadbed to have occurred a lot of roadbed infiltration slope failure unstability accidents, serious situation
Even there is roadbed side slope landslide massif blocking tunnel's entrance and exit, causes a lot of casualties and huge economic loss.
Conventional roadbed side slope protection works construction quality long construction period more difficult to control, there is window phase, is not suitable for and excavates
The roadbed side slope for needing to protect in time afterwards, and roadbed after molding infiltration slope collapse control efficiency is poor.
Summary of the invention
It is an object of the invention to solve conventional roadbed side slope protection works construction matter mentioned above in the background art
Long construction period more difficult to control is measured, there is window phase, the roadbed side slope for needing to protect in time after not applicable excavation, and road after molding
The poor problem of base infiltration slope collapse control efficiency；
To achieve the above object, the present invention is first by all kinds of roadbeds infiltration soil property of side slope and grinding for stress characteristic
Study carefully, visit the technical feasibility ground and solve this problem, referring again to the advanced construction technology of domestic and international same type, is invented in conjunction with this class
Actual conditions form the integrated control technique of a set of suitable southern mountain terrain roadbed infiltration high slope:
A kind of infiltration Reinforcing High Slope ejectment system, including side slope, further include drainage system, the drainage system includes road
Base gutter and platform intercepting ditch, the platform intercepting ditch are opened in side slope middle, on side slope is divided by the platform intercepting ditch
Side slope and slope；The upper side slope has equidistantly set multiple rows of aggregate pile, and the slope has equidistantly set multiple rows of paste-sprayed post, institute
The lower rafter for stating aggregate pile and side slope surface contact position is equipped with loaded filter, the lower rafter of the aggregate pile and side slope surface contact position
Equipped with clay sealing；The surface of the slope is additionally provided with retaining wall, and the retaining wall metope offers drain hole, described to let out
To metope inclination 3%, the roadbed gutter is dug at the toe of wall of retaining wall in water hole；It is anti-that the side slope surface is additionally provided with side slope
Shield, the side slope protection are plant protection.
A kind of construction method for the Reinforcing High Slope ejectment system that seeps water, including following implementation steps:
Step 1, it is quasi- reinforcing excavation slope slope surface surface loose soil bed is smooth and tamp, excavation slope slope is reinforced when quasi-
By associated construction specification handles when there is crack in face；
Step 2, construction are in place with construction equipments such as crane, working level trolleys；
Step 3 sets multiple rows of paste-sprayed post below slope surface, determines bottom according to the side slope type of cutting and geological condition
Paste-sprayed post length and quantity, test pile should be made before formal construction, the associated construction work of paste-sprayed post is determined according to test pile
Skill parameter, the method for inspection of the test pile are as follows: after the completion of test pile construction, according to pore-forming record and hole stake defects detection number
According to, judgement pile foundation construction quality, and observe practical reinforcing ejectment effect；
Step 4 sets multiple rows of aggregate pile, root when the intensity of paste-sprayed post reaches the 85% of design strength above slope surface
The length and quantity of the aggregate pile on upper layer are determined according to the side slope type and geological condition of cutting, should make test before formal construction
Stake, the associated construction technological parameter of aggregate pile, the method for inspection of the test pile are as follows: test pile construction is complete are determined according to test pile
Cheng Hou determines pile foundation construction quality, and observe practical reinforcing ejectment effect according to pore-forming record and hole stake fault detection data；
Step 5, construction slope surface lower section retaining wall, retaining wall construction is excavated by the way of segmentation job-hopping, according to cutting
Side slope surface hydraulic character preferably selects to face upward inclined retaining wall, and earth-retaining foundation of wall is embedded in side slope surface steady soil below, gear
The size of cob wall according to design standard drawing requires that construction site actual conditions is combined to determine；
Step 6, slope protection engineering of constructing and pumping equipment are simultaneously connected, slope construction slope protection work with roadbed gutter
Journey connects the water outlet of aggregate pile, and clay sealing, anti-tablet is arranged in the lower rafter of pellet pile head and side slope surface contact position
There is washout in the soil body below material stake, and loaded filter is arranged in the upper rafter of pellet pile head and side slope surface contact position, prevents soil
Washout simultaneously blocks aggregate pile discharge outlet, in the construction process, should should control aggregate pile draining strictly by design and standard construction
The junction in channel and subgrade drainage system guarantees that slope soil can be quickly discharged in side slope seepage.
Construction, mounting process
1) construction parameter, operating process and the technical requirements for formulating infiltration Slope Prevention, set several different construction parties
Case collects related data, compares relevant codes and standards and verified.
2) diameter of pile foundation, length are calculated with practical geological condition according to geological changes, pile foundation construction effective length,
Personnel, material, construction equipment etc. should establish related account.
3) site operation strictly is carried out by scheduled scheme, the construction parameter construction pile foundation determined according to test pile, discovery
Pile foundation sets exception, should analyze reason in time, it is ensured that pile foundation normal construction.
4) according to side slope slopes monitoring and measurement data, construction parameter is adjusted in time, ensures the safety of construction personnel, equipment.
5) after the completion of single horizontal pile driving construction, according to pore-forming record and hole stake fault detection data, determine pile foundation construction quality,
And observe practical reinforcing ejectment effect.
Key control point
The control of the plan-position and the gradient of soil mass consolidation stake and aggregate pile.The slope stability that seeps water is poor, transverse pile foundation
Plan-position positioning, the gradient is more difficult to control in practice of construction.It should be set as Key Points of Quality Control.
The calculating and determination of the construction parameter of soil mass consolidation stake and aggregate pile.The determination of the curing agent of soil mass consolidation stake, grain
Expect that pellet gradation, the stake diameter stake of stake are long, is determined according to side slope soil condition on the spot and stress characteristic, the design of such construction parameter
It does not have ripe experience and is referred to, increase the difficulty and risk of calculating.
It is compared with prior art, the present invention having the following advantages and benefits:
1) the infiltration flash slope frame ejectment system sets laterally slurry class by the mixture of cement or a variety of curing materials and adds
Gu native stake, to reinforce the slope soil body, pile foundation itself can form strength support slope soil, and pile group can compacted slope soil, from
And enhance the stability of side slope.
2) the infiltration flash slope frame ejectment system can be with solid soil at the same time as row by the aggregate pile of upper side slope
The channel of water, pellet can inherently play the role of loaded filter, soil erosion, thus will likely water flow slope soil is discharged,
Prevent high slope from a series of diseases such as avalanche, slump and landslide occur to play.
Water is the main reason for inducing slide slope disease, and the essence for preventing and treating slump is to harness the river.Lower part slope surface adds through paste-sprayed post
Gu forming a soil body that is more closely knit and having some strength, and inclined retaining wall is still faced upward as supporting, the water of slope surface in outside
Stream flows through the aggregate pile of the top soil body, and aggregate pile itself has the effect of solid soil, and has certain intensity, at the same time as
The channel of draining, pellet can inherently play the role of loaded filter, soil erosion, thus will likely water flow discharge side slope soil
Body, so that playing prevents high slope from a series of diseases such as avalanche, slump and landslide occur.
Research and application through the invention, it is poor not only to can solve traditional slope reinforcement effect, builds up later maintenance guarantor
It supports often, there are a window time, the problems such as higher cost in the period that construction finishes performance protection effect, and is formed
Technology will have extremely strong promotional value, significant economic benefit and social benefit in domestic advanced level.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of infiltration Reinforcing High Slope ejectment system of the invention；
In figure: 1 side slope, 2 roadbed gutters, 3 platform intercepting ditch, 4 aggregate piles, 5 paste-sprayed posts, 6 retaining walls, 7 drain holes.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
Embodiment one
A kind of infiltration Reinforcing High Slope ejectment system as shown in Figure 1, including side slope 1, further include drainage system, draining system
System includes roadbed gutter 2 and platform intercepting ditch 3, and platform intercepting ditch 3 is opened in 1 middle part of side slope, and platform intercepting ditch 3 divides side slope 1
It is divided into side slope 1 and slope 1；Upper side slope 1 has equidistantly set multiple rows of aggregate pile 4, and slope 1 has equidistantly set multiple rows of paste-sprayed post
5, aggregate pile 4 and the lower rafter of 1 slope surface contact position of side slope are equipped with loaded filter, the lower rafter of aggregate pile 4 and 1 slope surface contact position of side slope
Equipped with clay sealing；The surface of slope 1 is additionally provided with retaining wall 6, and 6 metope of retaining wall offers drain hole 7, drain hole 7 to
Metope inclination 3%, roadbed gutter 2 is dug at the toe of wall of retaining wall 6；1 slope surface of side slope is additionally provided with side slope protection, and side slope protection is
Plant protection.
A kind of construction method for the Reinforcing High Slope ejectment system that seeps water, including following implementation steps:
Step 1, it is quasi- 1 slope surface surface loose soil bed of reinforcing excavation slope is smooth and tamp, excavation slope 1 is reinforced when quasi-
By associated construction specification handles when slope surface has crack；
Step 2, construction are in place with construction equipments such as crane, working level trolleys；
Step 3 sets multiple rows of paste-sprayed post 5 below slope surface, determines bottom according to 1 form of side slope and geological condition of cutting
The length and quantity of the paste-sprayed post 5 of layer should make test pile before formal construction, determine that the correlation of paste-sprayed post 5 is applied according to test pile
Work technological parameter, the method for inspection of test pile are as follows: after the completion of test pile construction, according to pore-forming record and hole stake defects detection number
According to, judgement pile foundation construction quality, and observe practical reinforcing ejectment effect；
Step 4 sets multiple rows of aggregate pile 4 when the intensity of paste-sprayed post 5 reaches the 85% of design strength above slope surface,
The length and quantity of the aggregate pile 4 on upper layer are determined according to 1 form of side slope and geological condition of cutting, should make examination before formal construction
Stake is tested, the associated construction technological parameter of aggregate pile 4, the method for inspection of test pile are as follows: test pile construction is complete are determined according to test pile
Cheng Hou determines pile foundation construction quality, and observe practical reinforcing ejectment effect according to pore-forming record and hole stake fault detection data；
Step 5, construction slope surface lower section retaining wall 6, the construction of retaining wall 6 is excavated by the way of segmentation job-hopping, according to cutting
1 slope surface hydraulic character of side slope preferably select to face upward inclined retaining wall, 6 basis embedment 1 slope surface of side slope steady soil below of retaining wall
In, the size of retaining wall 6 according to design standard drawing requires that construction site actual conditions is combined to determine；
Step 6, slope protection engineering of constructing and pumping equipment are simultaneously connected, 1 slope protection of slope construction with roadbed gutter 2
Engineering connects the water outlet of aggregate pile 4, and clay sealing is arranged in the lower rafter of 4 pile crown of aggregate pile and 1 slope surface contact position of side slope, prevents
Only there is washout in the 4 lower section soil body of aggregate pile, and loaded filter is arranged in the upper rafter of 4 pile crown of aggregate pile and 1 slope surface contact position of side slope, prevents
Only soil washout and block 4 discharge outlet of aggregate pile.
The present invention is directed to southern mountain terrain highway soil property cutting infiltration high slope, the soil property item of study of various side slope
Paste-sprayed post, aggregate pile, retaining wall, drainage system and slope protection project is respectively adopted in part and mechanical characteristics, to reach expected side
Slope soil stabilization and optimum economic benefit.
In certain express highway roadbed engineering construction, excavation cut slope is in work progress on the right side of K37+540~K37+710
It is middle because having many places infiltration slopes outside cut slope and water flow can not be discharged by the conventional drainages measure such as underdrain and rubble french drain
Cut slope has damaged intrinsic intercepting ditch and cutting slope defending engineering to cause multiple slope failure.Thereafter it takes
The infiltration Reinforcing High Slope ejectment technology handles this position landslide side slope, achieves good effect.This section of side slope after
In two rainy seasons, side slope is still quite stable, without any collapsing sign.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above is made skilled artisans appreciate that or realizing this hair in specific embodiment party of the invention
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of infiltration Reinforcing High Slope ejectment system, including side slope (1), which is characterized in that it further include drainage system, the row
Water system includes roadbed gutter (2) and platform intercepting ditch (3), and the platform intercepting ditch (3) is opened in the middle part of side slope (1), described
Side slope (1) is divided into upper side slope (1) and slope (1) by platform intercepting ditch (3)；The upper side slope (1) has equidistantly set multiple rows of
Aggregate pile (4), the slope (1) have equidistantly set multiple rows of paste-sprayed post (5), and the aggregate pile (4) contacts with side slope (1) slope surface
The lower rafter of position is equipped with loaded filter, and the aggregate pile (4) and the lower rafter of side slope (1) slope surface contact position are equipped with clay sealing；Institute
The surface for stating slope (1) is additionally provided with retaining wall (6), and retaining wall (6) metope offers drain hole (7), the sluicing
To metope inclination 3%, the roadbed gutter (2) is dug at the toe of wall of retaining wall (6) in hole (7)；Side slope (1) slope surface is also set
There is side slope protection, the side slope protection is plant protection.
2. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 1, which is characterized in that including
Following implementation steps:
Step 1, it is quasi- reinforcing excavation slope (1) slope surface surface loose soil bed is smooth and tamp；
Step 2, construction are in place with construction equipments such as crane, working level trolleys；
Step 3 sets multiple rows of paste-sprayed post (5) below slope surface；
Step 4 sets multiple rows of aggregate pile (4) above slope surface；
Step 5, construction slope surface lower section retaining wall (6)；
Step 6, slope protection engineering of constructing and pumping equipment are simultaneously connected with roadbed gutter (2).
3. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 2, which is characterized in that in step
In rapid one, when quasi- reinforcing excavation slope (1) slope surface has crack by associated construction specification handles.
4. according to a kind of construction method for the Reinforcing High Slope ejectment system that seeps water as claimed in claim 2, which is characterized in that in step
In three, the length and quantity of the paste-sprayed post (5) of bottom are determined according to side slope (1) form and geological condition of cutting, it is formal to construct
Before should make test pile, the associated construction technological parameter of paste-sprayed post (5) is determined according to test pile.
5. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 4, which is characterized in that described
The method of inspection of test pile are as follows: after the completion of test pile construction, according to pore-forming record and hole stake fault detection data, determine that pile foundation is applied
Working medium amount, and observe practical reinforcing ejectment effect.
6. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 2, which is characterized in that in step
In rapid four, the length and quantity of the aggregate pile (4) on upper layer are determined according to side slope (1) form and geological condition of cutting, is formally applied
Test pile should be made before work, and the associated construction technological parameter of aggregate pile (4) is determined according to test pile.
7. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 6, which is characterized in that described
The method of inspection of test pile are as follows: after the completion of test pile construction, according to pore-forming record and hole stake fault detection data, determine that pile foundation is applied
Working medium amount, and observe practical reinforcing ejectment effect.
8. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 2, which is characterized in that in step
In rapid four, when setting operation and starting from the intensity of paste-sprayed post (5) and reach the 85% of design strength of aggregate pile (4).
9. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 2, which is characterized in that in step
In rapid five, retaining wall (6) construction is excavated by the way of segmentation job-hopping, is preferably selected according to side slope (1) slope surface hydraulic character of cutting
It selects and faces upward inclined retaining wall, in retaining wall (6) basis embedment side slope (1) slope surface steady soil below, the size root of retaining wall (6)
According to design standard drawing require that construction site actual conditions is combined to determine.
10. a kind of construction method of Reinforcing High Slope ejectment system that seeps water according to claim 2, which is characterized in that
In step 6, slope construction (1) slope protection engineering connects the water outlet of aggregate pile (4), in aggregate pile (4) pile crown and side slope
(1) clay sealing is arranged in the lower rafter of slope surface contact position, in the upper rafter of aggregate pile (4) pile crown and side slope (1) slope surface contact position
Loaded filter is set.
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| CN201810954767.6A CN109083162A (en) | 2018-08-21 | 2018-08-21 | A kind of infiltration Reinforcing High Slope ejectment system and construction method |
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| CN201810954767.6A CN109083162A (en) | 2018-08-21 | 2018-08-21 | A kind of infiltration Reinforcing High Slope ejectment system and construction method |
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| CN109930613A (en) * | 2019-04-23 | 2019-06-25 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of construction method and structure of the roadbed slope drainage system that seeps water |
| CN115652727A (en) * | 2022-10-20 | 2023-01-31 | 中交第一公路勘察设计研究院有限公司 | Highway drainage system suitable for super wide road surface in super multilane |
| CN116309552A (en) * | 2023-05-12 | 2023-06-23 | 西南交通大学 | Method, device, equipment and medium for evaluating health state of existing line old retaining wall |
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| CN116309552A (en) * | 2023-05-12 | 2023-06-23 | 西南交通大学 | Method, device, equipment and medium for evaluating health state of existing line old retaining wall |
| CN116309552B (en) * | 2023-05-12 | 2023-08-29 | 西南交通大学 | Method, device, equipment and medium for evaluating health state of existing line old retaining wall |
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Application publication date: 20181225 |