CN110258587A - The branch mark structure and construction method of side slope - Google Patents
The branch mark structure and construction method of side slope Download PDFInfo
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- CN110258587A CN110258587A CN201910375590.9A CN201910375590A CN110258587A CN 110258587 A CN110258587 A CN 110258587A CN 201910375590 A CN201910375590 A CN 201910375590A CN 110258587 A CN110258587 A CN 110258587A
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- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 238000005266 casting Methods 0.000 claims description 19
- 238000005553 drilling Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000011378 shotcrete Substances 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 15
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- 239000002689 soil Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
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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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The application provides a kind of branch mark structure of side slope, the branch mark structure includes drilled pile, binding beam, panel and bottom plate, the drilled pile bottom end is located at good ground, the binding beam is connected between the drilled pile top surface, it is connected with the panel between the laterally outermost drilled pile side of the side slope, the panel bottom end is connected with the bottom plate intersected with the panel.The branch mark structure of side slope provided by the present application; a large amount of earth excavations are carried out without side slope; side slope environmental requirement is lower; it is not influenced vulnerable to side slope hydrologic condition; reinforce the rigid connection between each drilled pile by binding beam; reinforce supporting file overall rigid structure by bottom plate, protect the structural stability of branch mark structure, reinforces AsA -GSH cycle.The application also provides a kind of construction method of the branch mark structure of side slope, and the construction period is short, and side slope disturbance is small, and construction efficiency is high.
Description
Technical field
This application involves geotechnical engineering field more particularly to the branch mark structures and construction method of a kind of side slope.
Background technique
For a long time, side slope protection is all geotechnical engineering construction weak link, and side slope protection is mainly presented that scale is big, side slope
Feature high, environmental requirement is tight, the retaining structure of previous side slope mainly take gravity retaining wall, counterfort wall, peg board
The retaining wall structures such as formula retaining wall, for the branch mark structure of the above side slope in construction, earth excavation is big, and side slope disturbance is big, is easy to make
It is unstable at slope geological structure.
Summary of the invention
In view of this, the application is intended to provide the branch mark structure and construction method of a kind of side slope, the branch of existing side slope is solved
When mark structure is constructed, earth excavation is big, and side slope disturbs larger technical problem, in order to solve the above technical problems, the application is implemented
The technical solution of example is achieved in that
On the one hand the application provides a kind of branch mark structure of side slope, the branch mark structure include drilled pile, binding beam, panel and
Bottom plate, the drilled pile bottom end are located at good ground, are connected with the binding beam between the drilled pile top surface, horizontal along the side slope
To being connected with the panel between the outermost drilled pile side, the panel bottom end is connected with intersects with the panel
The bottom plate.
Further, the drilled pile bottom end is located at 3m~5m in the good ground；
And/or the stake diameter of the drilled pile is A, wherein 50cm≤A≤1025cm, between two adjacent drilled piles
Spacing is 1.5~3 stake diameters；
And/or the branch mark structure is used for cutting slope defending；
And/or chamfering is arranged in the panel and the bottom plate junction.
Further, the drilled pile laterally in a row lays out pile along the side slope；
Or, the drilled pile is quincunx lays out pile.
Further, the branch mark structure is stitched along the leg wire of slope direction of the side slope every 10m~15m setting structure.
Further, the structural joint slit width is B, wherein 0cm≤B≤2cm；
And/or one or more of filled bitumen, pitch hemp cut, pitch plank in the structural joint.
Further, the branch mark structure further includes combined bolting and shotcrete, and the combined bolting and shotcrete includes anchor pole and mask, the anchor
Bar protrudes into inside the side slope from the slope surface of the side slope, and the mask is covered in the slope surface.
Further, it is 1.5m~3m that the anchoring section of the anchor pole, which is located at the length in the side slope,.
Further, the branch mark structure further includes the support stake below the bottom plate, and the support stake is for branch
Support the bottom plate；
Or, the branch mark structure further includes the bed course below the bottom plate, the bed course lateral distance is greater than described
Bottom plate lateral distance.
Further, the panel top has the protrusion for protruding the panel sides.
Further, the drain hole for penetrating the panel is offered on the panel, the drain hole is close to the side slope
Port be higher than port of the drain hole far from the side slope.
Further, the branch mark structure further includes loaded filter, and the loaded filter is located at the drain hole close to the side
At the port on slope.
Further, the branch mark structure further includes impervious barrier, and the adjacent loaded filter of the impervious barrier is simultaneously located at described
Below loaded filter.
On the other hand the application also provides a kind of construction method of the branch mark structure of side slope, the construction method includes:
Excavate the side slope flattened where the branch mark structure；
Drilled pile is formed, is specifically included: being bored according to the setting position of the drilled pile and the setting stake diameter of the drilled pile
To good ground steel reinforcement cage is arranged in the drilled pile drills, casting concrete forms the drilled pile in hole；
Form binding beam, specifically include: setting includes the binding beam template of reinforcing bar between the drilled pile top surface, pours coagulation
Soil forms the binding beam；
Panel and bottom plate are formed, specifically includes: being segmented between the laterally outermost drilled pile of the side slope
Job-hopping earth excavation corresponds to setting at the segmentation excavation by troughs and includes the panel template of reinforcing bar and include the bottom plate of reinforcing bar
Template, casting concrete form the panel and the bottom plate；
The earthwork and/or concrete are backfilled at the bottom plate, tamp the piece of smooth land.
Further, the construction method further includes forming chamfering while the formation panel and bottom plate step, tool
Body includes: to be provided with to include the chamfering formwork of reinforcing bar in the panel template and the bottom plate junction, casting concrete,
Form the panel, the bottom plate and the chamfering.
Further, there are the surpluses that the binding beam can be inserted for the top reinforcing bar of the steel reinforcement cage, horizontal along the side slope
To the steel reinforcement cage of the outermost drilled pile towards the side reinforcing bar of the panel, there are the surpluses that the panel can be inserted；
And/or there are the surpluses that the panel can be inserted towards the side reinforcing bar of the panel for the binding beam template.
Further, before the formation panel and bottom plate step,
The construction method further includes forming support stake, is specifically included: according to the support setting position of stake and described
The setting stake diameter for supporting stake is arranged steel reinforcement cage in the support stake drills, pours coagulation in foundation pit internal drilling to good ground
Soil forms the support stake；Or, the construction method further includes forming bed course, specifically include: according to the setting position of the bottom plate
It sets, setting includes the bed course template of reinforcing bar in the foundation pit, and casting concrete forms the bed course.
Further, after the formation binding beam step, the construction method further includes forming combined bolting and shotcrete, specific to wrap
It includes: opening up anchor eye in the slope surface between the drilled pile, anchor pole is intraocularly set in the anchor, is sprayed in the slope surface
Concrete forms mask, forms the combined bolting and shotcrete.
The branch mark structure of side slope provided by the present application, after drilled pile is drilled by impact drill or churning driven, by boring
Steel reinforcement cage casting concrete is arranged in hole to be made, production is simple, high-efficient, carries out a large amount of earth excavations, opposite side without side slope
Slope environmental requirement is lower, does not influence vulnerable to side slope hydrologic condition, reinforces the rigid connection between each drilled pile by binding beam, leads to
It crosses bottom plate and reinforces supporting file overall rigid structure, protect the structural stability of branch mark structure, reinforce AsA -GSH cycle.The application also provides
The construction method of the branch mark structure of side slope, the construction period is short, and side slope disturbance is small, and construction efficiency is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the branch mark structure of side slope in the embodiment of the present application, wherein binding beam is not shown；
Fig. 2 is the cross-sectional view in the face C-C in Fig. 1, wherein shows binding beam；
Fig. 3 is the structural schematic diagram of the branch mark structure of another side slope in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of the branch mark structure of another side slope in the embodiment of the present application；
Fig. 5 is the flow diagram of the construction method of the branch mark structure of the first side slope in the embodiment of the present application；
Fig. 6 is the flow diagram of the construction method of the branch mark structure of second of side slope in the embodiment of the present application；
Fig. 7 is the flow diagram of the construction method of the branch mark structure of the third side slope in the embodiment of the present application；
Fig. 8 is the flow diagram of the construction method of the branch mark structure of the 4th kind of side slope in the embodiment of the present application；
Fig. 9 is the flow diagram of the construction method of the branch mark structure of the 5th kind of side slope in the embodiment of the present application.
Appended drawing reference: drilled pile 100；Binding beam 200；Panel 300；Bottom plate 400；Chamfering 500；Combined bolting and shotcrete 600；Anchor pole
610；Mask 620；Support stake 700；Bed course 800；Loaded filter 900；Impervious barrier 1000；Side slope 10；Good ground 20；Piece of smooth land line
30；Foundation pit 40.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further described in more detail the application.Institute in the embodiment of the present application
The unit english abbreviation " cm " being related to, indicate unit be centimetre, the unit english abbreviation being related to be " m ", expressions unit be rice.
In the description of the present application, "upper", "lower", "top", "bottom", " side " orientation or positional relationship are based on side slope supporting file
The normal operating condition of structure, orientation or positional relationship as shown in Fig. 2, " transverse direction " are the left and right directions of Fig. 2, it is to be understood that
, these directional terminologies are merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
A kind of branch mark structure of side slope is provided in one embodiment of the application, referring to Figure 1 and Fig. 2, branch mark structure include boring
Hole stake 100, binding beam 200, panel 300 and bottom plate 400, the bottom end of drilled pile 100 are located at good ground 20,100 top surface of drilled pile
Between be connected with binding beam 200, be connected with panel 300, panel 300 between laterally outermost 100 side of drilled pile of side slope 10
Bottom end is connected with the bottom plate 400 intersected with panel 300.
The branch mark structure of side slope provided by the present application, specifically, after drilled pile is drilled by impact drill or churning driven, by
Setting steel reinforcement cage casting concrete is made in drilling, makes simple, high-efficient；Drilled pile also has to carry out largely without side slope
The characteristics of earth excavation, side slope environmental requirement is lower, does not influence vulnerable to side slope hydrologic condition；Reinforce each drilling by binding beam
Rigid connection between stake, protects the structural stability of branch mark structure, and binding beam can also be used to carry out later development planning, landscape work
Journey；Drilled pile and panel shared act on the transversely outer lotus that the water pressure, soil pressure and retaining structure of side slope are born
It carries, the vertical external loads of the whole that the retaining structure that drilled pile is also used to bear side slope is undertaken, by way of increasing bottom plate,
Undertake the pressure of part panels by bottom plate, increase the bearing capacity of branch mark structure transverse direction, at the same reduce below the panel ground by
The pressure arrived improves the stress performance of branch mark structure, to improve the structural stability of branch mark structure.The branch of the embodiment of the present application
Mark structure carries out a large amount of earth excavations without side slope, and therefore, it is big to avoid earth excavation existing for existing branch mark structure, opposite side
Slope disturbs big problem, also has stress performance good, the high feature of structural stability.
In one embodiment of the application, 100 bottom end of drilled pile is located at 3m~5m in good ground 20；Drilled pile bottom end is located at steady
Determine 3m~5m in stratum, such as 3m, 4m or 5m, can guarantee the structural stability of drilled pile, avoids drilled pile bottom end position
In the too deep bring difficulty of construction of good ground.
In one embodiment of the application, the stake diameter of drilled pile 100 is A, wherein 50cm≤A≤125cm, drilled pile bear to come
From the power of side slope and the power of panel, stake diameter is too small to easily cause drilled pile crack occur, and stake diameter is excessive to be unfavorable for mechanical hole fabrication, if
50cm≤A≤125cm, such as 50cm, 60cm, 70cm, 80cm, 90cm, 100cm, 110cm, 120cm or 125cm, drilled pile
Stress condition is preferable, conducive to the structural stability for maintaining self structure, moreover it is possible to be conducive to mechanical quick drilling；Two adjacent drilled piles
Spacing is 1.5~3 stake diameters, such as 1.5 times, 2 times or 3 times stake diameters between 100, and spacing is between two adjacent drilled piles
Two it is adjacent drilling the distance between, it is adjacent two drilling between hypotelorism, it is adjacent two drilling between geologic structure susceptible,
It is not easy to keep the structural stability of drilling, the structure of hypertelorism between two adjacent drilled piles, easily influence branch mark structure is steady
Qualitative, spacing is 1~3 stake diameter between two adjacent drilled piles, has not only been conducive to keep the structural stability of drilling, but also be conducive to keep
The structural stability of branch mark structure.
In one embodiment of the application, branch mark structure is used for cutting slope defending, and cutting is to excavate downwards from original place
Roadbed form, cut slope is in veneer of crust, after excavating exposure, is easy under the influence of the natural causes such as rainfall, snowfall,
It deforms and destroys, the branch mark structure side slope disturbance of the application is small, and drilled pile makes simple, high-efficient, drilled pile, connection
Beam, panel and bottom plate cast-in-place can perform, and the construction period is short, and construction efficiency is high, reduce cut slope and are exposed to natural environment
Cut slope is washed away in time, reduction rainfall, snowfall, is suitable for cut slope.
In one embodiment of the application, Fig. 2-Fig. 4 is referred to, chamfering 500, chamfering is arranged in panel 300 and 400 junction of bottom plate
The structural stability for being conducive to reinforce panel and bottom plate junction, to improve the structural stability of branch mark structure.
In one embodiment of the application ,-Fig. 4, drilled pile 100 laterally in a row lay out pile along side slope 10 referring to Figure 1, specifically,
Drilled pile 100 in a row lays out pile at single, double or three arrangement stakes and is conducive to improve the stress performance of branch mark structure, reduce single
The power from side slope that drilled pile is subject to, conducive to the structural stability for reinforcing branch mark structure.
In other embodiments, drilled pile lays out pile to be quincunx, the quincunx stress for being also beneficial to improve branch mark structure
Can, reduce the power from side slope that one borehole stake is subject to, conducive to the structural stability for reinforcing branch mark structure.
In one embodiment of the application, branch mark structure is stitched (not along the leg wire of slope direction of side slope every 10m~15m setting structure
Diagram), such as 10m, 12m, 14m or 15m, structural joint is for avoiding in the influence of the natural causes such as temperature change, settlement of foundation
Phenomena such as panel, binding beam or bottom deformation caused by lower, cracking, sedimentation.
In one embodiment of the application, structural joint slit width is B, wherein 0cm≤B≤2cm, specifically according to slope geological feelings
Condition and natural conditions are calculated.
In one embodiment of the application, filled bitumen, pitch hemp cut, pitch plank are one such or several in structural joint,
Avoiding rainwater from washing away along expansion joint, side slope, foreign matter is fallen into expansion joint that expansion joint is caused to be failed.
In one embodiment of the application, referring to Figure 1 and Fig. 2, branch mark structure further include combined bolting and shotcrete 600, combined bolting and shotcrete 600
Including anchor pole 610 and mask 620, anchor pole 610 protrudes into inside side slope from the slope surface of side slope, and mask 620 is covered in slope surface.In side slope
Under conditions of geological conditions is severe, such as under the conditions of underground water ponding is serious, slope deforming is serious, slope rock mass is easy pine
Dynamic, separation, side slope are easily deformed, and combined bolting and shotcrete is used to protect the structural stability of slope rock mass, prevent rock mass loose by anchor pole
Dynamic, separation, prevents deforming of the slope, soil erosion by mask.
In one embodiment of the application, it is 1.5m~3m that the anchoring section of anchor pole 610, which is located at the length in side slope 10, can be protected
The structural stability of slope rock mass, also can guarantee construction efficiency.
The branch mark structure of another side slope in the embodiment of the present application, refers to Fig. 3, and branch mark structure further includes being located at bottom plate
The support stake 700 of 400 lower sections, support stake are used to support bottom plate 400, and support stake is conducive to enhance the support force to bottom plate, avoid
Foundation pit collapses below bottom plate, can effectively improve the resistance to capsizing and transverse direction drag of retaining structure, reinforce the structure of branch mark structure
Stability, specifically, support stake bottom end are located at 3m~5m in good ground, such as 3m, 4m or 5m, can guarantee to support stake
Structural stability, avoid support stake bottom end be located at the too deep bring difficulty of construction of good ground.
The branch mark structure of another side slope in the embodiment of the present application, refers to Fig. 4, and branch mark structure further includes being located at bottom plate
The bed course 800 of 400 lower sections, 800 lateral distance of bed course are greater than 400 lateral distance of bottom plate.Bed course rigidly reinforces bottom plate by itself
The rigidity of lower section foundation pit, bed course lateral distance are greater than bottom plate lateral distance, for increasing forced area, avoid foundation pit below bottom plate
It collapses, reinforces the structural stability of branch mark structure.
In one embodiment of the application, Fig. 3 is referred to, the drain hole 301 for penetrating panel 300 is offered on panel 300, specifically
Ground, drain hole 301 are higher than port of the drain hole 301 far from side slope 10 close to the port of side slope 10, and drain hole is used for will be in side slope
Ponding is discharged in time, reduces the water pressure from side slope that is subject to of panel, specifically, between two adjacent drain holes distance be 2m~
3m, the gradient of drain hole are 4%, are discharged convenient for ponding.
In one embodiment of the application, Fig. 3 is referred to, branch mark structure further includes loaded filter 900, and loaded filter 900, which is located at, to sluice
At the port of side slope 10, loaded filter is used for the soil for preventing from taking away side slope when the outflow of side slope ponding, moreover it is possible to avoid letting out in hole 301
Water hole blocking, specifically, loaded filter are sandy gravel stratum of the partial size from side slope to drain hole direction from fine to coarse, specifically, loaded filter
Height is 0.4m~0.6m, such as 0.4m, 0.5m, 0.6m, convenient for effectively filtering side slope ponding.
In one embodiment of the application, Fig. 3 is referred to, branch mark structure further includes impervious barrier 1000, and impervious barrier 1000 is adjacent anti-
Filtering layer 900 is simultaneously located at 900 lower section of loaded filter, and the ponding that impervious barrier is used to that loaded filter to be prevented to be collected into seeps again from loaded filter bottom
It penetrates into side slope.
On the other hand the application also provides the construction method of the branch mark structure of the first side slope, refer to Fig. 5, construction method
Include:
Excavate the side slope where leveling branch mark structure: convenient for subsequent setting drilled pile and setting binding beam, earthwork excavated volume is small；
Drilled pile is formed, specifically includes: drilling according to the setting position of drilled pile and the setting stake diameter of drilled pile to stabilization
Stratum, is arranged steel reinforcement cage in drilled pile drills, and casting concrete forms drilled pile；Specifically, pass through churning driven, impact drill
Equal drilling machines are drilled with the setting stake diameter of drilled pile to good ground in the setting position of drilled pile, and steel reinforcement cage is arranged in drilling,
Casting concrete forms drilled pile, and machine drilling sets stake compared to hand excavation, and side slope disturbance is small, speed is fast, it is high-efficient,
It is at low cost, it cast-in-place can perform, the construction period is short；
Form binding beam, specifically include: setting includes the binding beam template of reinforcing bar between drilled pile top surface, casting concrete,
Form binding beam；Binding beam can not only reinforce the rigid connection between drilled pile, improve structural stability, be also convenient for carrying out the later period and open
Send out the work such as planning, landscape engineering；
Panel and bottom plate are formed, is specifically included: carrying out the segmentation job-hopping earthwork between the laterally outermost drilled pile of side slope
It excavating, setting includes the panel template of reinforcing bar and includes the bottom plate of reinforcing bar at corresponding segments excavation by troughs, casting concrete,
Form panel and bottom plate；Segmentation job-hopping earth excavation side slope excavation disturbance is small, avoids the structural stability for influencing side slope；
The earthwork and/or concrete are backfilled at bottom plate, tamp the piece of smooth land；That excavates on neighbouring ground with side slope is used to construct
The foundation pit (- Fig. 4 referring to fig. 2) of branch mark structure, after branch mark structure is completed in building, foundation pit needs to be backfilled to piece of smooth land line (referring to figure
2- Fig. 4) height, the earthwork and/or concrete are backfilled at bottom plate, tamps the piece of smooth land, are avoided surface water from penetrating into and are softened foundation pit in foundation pit
Interior soil improves the safety of structure of branch mark structure, and on the one hand fill concrete is conducive to improve backfill efficiency, on the other hand mixed
Rigidity after solidifying soil solidification is conducive to further increase the safety of structure of branch mark structure.
Construction method provided by the present application has earthwork excavated volume small, and side slope disturbance is small, and process is simple, the construction period
Short, high-efficient feature.
The construction method of the branch mark structure of second of side slope, refers to Fig. 6 in the embodiment of the present application, with it is above-mentioned the first apply
Unlike work method, construction method further includes forming chamfering while forming panel and bottom plate step, specifically including:
Panel template and bottom plate junction are provided with the chamfering formwork for including reinforcing bar, and casting concrete forms panel, bottom plate and falls
Angle.
Chamfering is formed while forming panel and bottom plate, process is simple, and chamfering is used to reinforce the structure of panel and bottom plate
Stability.
In one embodiment of the application, there are the surpluses that binding beam can be inserted for the top reinforcing bar of steel reinforcement cage, lateral most along side slope
There are the surpluses that panel can be inserted towards the side reinforcing bar of panel for the steel reinforcement cage of the drilled pile in outside；So as to reinforce drilled pile with
Rigid connection between binding beam, and the rigid connection between the laterally outermost drilled pile of side slope and panel are conducive to protection
The structural stability of branch mark structure.
In one embodiment of the application, binding beam template towards panel side reinforcing bar there are the surplus that panel can be inserted, with
Just reinforce the rigid connection between binding beam and panel.
The construction method of the branch mark structure of the third side slope, refers to Fig. 7 in the embodiment of the present application, with it is above-mentioned the first apply
Unlike work method, before forming panel and bottom plate step, construction method further includes forming support stake, specifically includes: pressing
The setting stake diameter of setting position and support stake according to support stake is set in support stake drilling in foundation pit internal drilling to good ground
Steel reinforcement cage is set, casting concrete forms support stake；Specifically, 3m~5m in stake bottom end to good ground, such as 3m, 4m are supported
Or 5m, it can guarantee the structural stability for supporting stake, avoid the too deep bring difficulty of construction of support stake drilling.
The construction method of the branch mark structure of the 4th kind of side slope, refers to Fig. 8 in the embodiment of the present application, with it is above-mentioned the first apply
Unlike work method, before forming panel and bottom plate step, construction method further includes forming bed course, is specifically included: according to
The setting position of bottom plate, setting includes the bed course template of reinforcing bar in foundation pit, and casting concrete forms the bed course；Specifically,
Bed course lateral distance is greater than bottom plate lateral distance, and bed course rigidly reinforces the rigidity of foundation pit below bottom plate by itself, and bed course is lateral
Distance is greater than bottom plate lateral distance, for increasing forced area, avoids foundation pit below bottom plate from collapsing, reinforces the structure of branch mark structure
Stability.
The construction method of the branch mark structure of the 5th kind of side slope, refers to Fig. 9 in the embodiment of the present application, with it is above-mentioned the first apply
Unlike work method, after forming binding beam step, construction method further includes forming combined bolting and shotcrete, specifically includes: drilling
Anchor eye is opened up in slope surface between stake, anchor pole is intraocularly set in anchor, gunite concrete forms mask in slope surface, forms spray anchor branch
Shield；Under conditions of slope geological inclement condition, such as under the conditions of underground water ponding is serious, slope deforming is serious, side slope rock
Body is easy to loosen, separate, and side slope is easily deformed, and combined bolting and shotcrete is used to protect the structural stability of slope rock mass, anti-by anchor pole
Only rock-mass relaxing, separation, prevent deforming of the slope, soil erosion by mask.
The above, the only specific embodiment of the application, but simultaneously difference is limited to this to the protection scope of the application, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.
Claims (17)
1. a kind of branch mark structure of side slope, which is characterized in that the branch mark structure includes drilled pile, binding beam, panel and bottom plate, institute
It states drilled pile bottom end and is located at good ground, be connected with the binding beam between the drilled pile top surface, it is laterally outermost along the side slope
The panel is connected between the drilled pile side of side, the panel bottom end is connected with the bottom intersected with the panel
Plate.
2. the branch mark structure of side slope according to claim 1, which is characterized in that the drilled pile bottom end is located at the stabilization
3m~5m in stratum；
And/or the stake diameter of the drilled pile is A, wherein 50cm≤A≤125cm, spacing between two adjacent drilled piles
For 1.5~3 stake diameters；
And/or the branch mark structure is used for cutting slope defending；
And/or chamfering is arranged in the panel and the bottom plate junction.
3. the branch mark structure of side slope according to claim 1, which is characterized in that the drilled pile along the side slope laterally at
Arrangement stake；
Or, the drilled pile is quincunx lays out pile.
4. the branch mark structure of side slope according to claim 1, which is characterized in that the branch mark structure is along the slope of the side slope
It is stitched every 10m~15m setting structure in payment to a porter direction.
5. the branch mark structure of side slope according to claim 4, which is characterized in that the structural joint slit width is B, wherein 0cm
≤B≤2cm；
And/or one or more of filled bitumen, pitch hemp cut, pitch plank in the structural joint.
6. the branch mark structure of side slope described in -5 any one according to claim 1, which is characterized in that the branch mark structure also wraps
Combined bolting and shotcrete is included, the combined bolting and shotcrete includes anchor pole and mask, and the anchor pole protrudes into the side slope from the slope surface of the side slope
Portion, the mask are covered in the slope surface.
7. the branch mark structure of side slope according to claim 6, which is characterized in that the anchoring section of the anchor pole is located at the side
Length in slope is 1.5m~3m.
8. the branch mark structure of side slope described in -5 any one according to claim 1, which is characterized in that the branch mark structure also wraps
The support stake being located at below the bottom plate is included, the support stake is used to support the bottom plate；
Or, the branch mark structure further includes the bed course below the bottom plate, the bed course lateral distance is greater than the bottom plate
Lateral distance.
9. the branch mark structure of side slope described in -5 any one according to claim 1, which is characterized in that the panel top has
Protrude the protrusion of the panel sides.
10. the branch mark structure of side slope described in -5 any one according to claim 1, which is characterized in that opened up on the panel
There is the drain hole for penetrating the panel, the drain hole is higher than the drain hole far from the side slope close to the port of the side slope
Port.
11. the branch mark structure of side slope according to claim 10, which is characterized in that the branch mark structure further includes anti-filter
Layer, the loaded filter are located at the drain hole at the port of the side slope.
12. the branch mark structure of side slope according to claim 11, which is characterized in that the branch mark structure further includes antiseepage
Layer, the adjacent loaded filter of the impervious barrier are simultaneously located at below the loaded filter.
13. a kind of construction method of the branch mark structure of side slope, which is characterized in that the construction method includes:
Excavate the side slope flattened where the branch mark structure；
Formed drilled pile, specifically include: according to the setting position of the drilled pile and the setting stake diameter of the drilled pile drill to
Steel reinforcement cage is arranged in the drilled pile drills in good ground, and casting concrete forms the drilled pile；
Form binding beam, specifically include: setting includes the binding beam template of reinforcing bar between the drilled pile top surface, casting concrete,
Form the binding beam；
Panel and bottom plate are formed, specifically includes: carrying out segmentation job-hopping between the laterally outermost drilled pile of the side slope
Earth excavation corresponds to setting at the segmentation excavation by troughs and includes the panel template of reinforcing bar and include the bottom plate mould of reinforcing bar
Plate, casting concrete form the panel and the bottom plate；
The earthwork and/or concrete are backfilled at the bottom plate, tamp the piece of smooth land.
14. construction method according to claim 13, which is characterized in that the construction method further includes in the forming face
Chamfering is formed while plate and bottom plate step, is specifically included: being provided in the panel template and the bottom plate junction
The chamfering formwork of reinforcing bar is included, casting concrete forms the panel, the bottom plate and the chamfering.
15. construction method according to claim 14, which is characterized in that there are can insert for the top reinforcing bar of the steel reinforcement cage
The surplus for entering the binding beam, along the laterally outermost drilled pile of the side slope steel reinforcement cage towards the panel side steel
There are the surpluses that the panel can be inserted for muscle；
And/or there are the surpluses that the panel can be inserted towards the side reinforcing bar of the panel for the binding beam template.
16. construction method described in 3-15 any one according to claim 1, which is characterized in that at the formation panel and bottom
Before plate step,
The construction method further includes forming support stake, is specifically included: setting position and the support according to the support stake
The setting stake diameter of stake, in foundation pit internal drilling to good ground, the setting steel reinforcement cage in support stake drilling, casting concrete,
Form the support stake；
Or, the construction method further includes forming bed course, specifically include: according to the setting position of the bottom plate, in the foundation pit
Interior that the bed course template for including reinforcing bar is arranged, casting concrete forms the bed course.
17. construction method described in 3-15 any one according to claim 1, which is characterized in that in the formation binding beam step
Later, the construction method further includes forming combined bolting and shotcrete, is specifically included: being opened up in the slope surface between the drilled pile
Anchor pole is intraocularly arranged in the anchor in anchor eye, and gunite concrete forms mask in the slope surface, forms the combined bolting and shotcrete.
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| CN201910375590.9A CN110258587A (en) | 2019-05-07 | 2019-05-07 | The branch mark structure and construction method of side slope |
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| CN201910375590.9A CN110258587A (en) | 2019-05-07 | 2019-05-07 | The branch mark structure and construction method of side slope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111058465A (en) * | 2019-12-31 | 2020-04-24 | 中铁第四勘察设计院集团有限公司 | Retaining structure and construction method thereof |
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| JP2013015015A (en) * | 2012-10-25 | 2013-01-24 | Tokyu Construction Co Ltd | Structure and construction method for earth retaining wall |
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