CN110055981A - Supporting and retaining system unit, retaining structure and the construction method on landslide - Google Patents
Supporting and retaining system unit, retaining structure and the construction method on landslide Download PDFInfo
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- CN110055981A CN110055981A CN201910311486.3A CN201910311486A CN110055981A CN 110055981 A CN110055981 A CN 110055981A CN 201910311486 A CN201910311486 A CN 201910311486A CN 110055981 A CN110055981 A CN 110055981A
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The present invention provides a kind of supporting and retaining system unit on landslide, the supporting and retaining system unit is reinforced concrete structure, and the supporting and retaining system unit includes top plate, supporting beam and pile body；The quantity of the supporting beam is at least two, is connected at least two pile bodies in each supporting beam, the supporting beam and the pile body are arranged at the same side of the top plate；The length of the pile body can at least pass through the slip band on landslide, and reach predetermined depth.The present invention also provides a kind of retaining structure on landslide and construction methods.The stability of large-scale and ultra-large type landslide slope foot can be greatlyd improve by the way that at least two supporting and retaining system units are arranged side by side in the large-scale slope foot with ultra-large type landslide using the present invention.
Description
Technical field
The present invention relates to geotechnical engineering fields, particularly relate to supporting and retaining system unit, retaining structure and the construction method on a kind of landslide.
Background technique
China is the country that geological disaster takes place frequently, wherein about 75% is landslide disaster.With the continuous erosion of underground water, rock
Stony fracture gap is constantly developed, and there may be deformations and sliding for stable massif.Meanwhile China is the country of mountain area more than one, railway, public affairs
Road multidigit is in mountain slope toe, and along water body bank spread, when massif experience water body water storage and rainstorm condition, and originally stable mountain
Body, which may induce, to be formed the probability on potential landslide and will greatly increase, so as to route, vehicle and the resident near massif
Threat is generated, therefore, it is necessary to which corresponding engineering measure is taken to carry out comprehensive treatment.
But the prior art is primarily present following problems to the improvement on landslide: 1. large-scale with super large-scale landslide calamity when encountering
Evil, for example, gliding mass height is more than 100m, when volume is more than thousands of all places, can have great sliding force at slope foot, and existing
Conventional project measure can not often resist so big sliding force, be not able to satisfy the stability and deformation requirements of massif, thus
May and train stable to the route near massif cause adverse effect safely；2. when the side of route is in mountain slope toe,
And the other side of route is there are when river, and since underground water exposure causes water level higher, it is (such as common can not to provide conventional structure
Friction pile) execution conditions, construction will be extremely limited.Even if paying great cost, engineering is carried out to change shifting, to landslide
Area plans again, reduces landslide control dynamics, but the hidden danger for generating geological disaster still has, under serious conditions, slumping block meeting
Block river, blocking portion and whole rivers, forms barrier lake, to generate huge threat to downstream, further will lead to
It needs to spend higher control expense, thereby results in huge economic loss；3. conventional retaining structure not can guarantee landslide
The homogeneity of downslide paragraph vertical and horizontal deformation, thus can also bring great potential safety hazard route traffic safety.
Summary of the invention
In view of this, the main purpose of the present invention is to provide supporting and retaining system unit, retaining structure and the construction parties on a kind of landslide
Method, mainly to solve the problems, such as that retaining structure used by the prior art is unable to satisfy large-scale, ultra-large type landslide slope foot stability.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
First aspect present invention provides a kind of supporting and retaining system unit on landslide, and the supporting and retaining system unit is reinforced concrete structure,
The supporting and retaining system unit includes top plate, supporting beam and pile body；
The quantity of the supporting beam is at least two, is connected at least two pile bodies, institute in each supporting beam
It states supporting beam and the pile body is arranged at the same side of the top plate；
The length of the pile body can at least pass through the slip band on landslide, and reach predetermined depth.
Further, the supporting beam connect or is spaced setting with the top plate；The quantity of the supporting beam be two, two
A supporting beam parallel interval setting；
There are three the pile bodies for equal parallel interval setting in each supporting beam；Three in one of them described supporting beam
A pile body is aligned one by one with three pile bodies in supporting beam described in another.
Further, the shape of the cross section of the pile body is round, rectangular or rectangle.
Further, the pile body is Bored Pile Foundation, driven cast-in-place pile or digging hole filling pile.
Further, the diameter of the pile body is 1.5-2.5m；
And/or in three pile bodies that parallel interval is arranged in each supporting beam, two adjacent stakes
Stake spacing between body is 3-5 times of the diameter of the pile body；
And/or the stake spacing between two pile bodies being aligned one by one in two supporting beams is the pile body
2-3 times of diameter.
Further, the support depth of beam is 1-2 times of the diameter of the pile body and is not less than 2m；The supporting beam
Width be 1-2 times of diameter of the pile body；And/or
The height of the top plate is 0.8-1.5m；And/or
The length of the top plate is 10-15m.
Second aspect of the present invention additionally provides a kind of retaining structure on landslide, and the retaining structure includes at least two above-mentioned
The supporting and retaining system unit；
The slope foot of slip mass of all supporting and retaining system units along landslide is arranged side by side；
The top plate and the supporting beam are connect with the slip mass；
The pile body can at least pass through the slip band on the landslide, and reach predetermined depth.
Further, there is flexible subsiding crack between the adjacent two supporting and retaining system units.
Third aspect present invention additionally provides a kind of construction method of retaining structure for landslide described above, described
Construction method includes:
It is coming down according to the top plate of each supporting and retaining system unit and the setting absolute altitude of the supporting beam with being sized
Slope foot at slip mass on slot；
The stake holes of the pile body is excavated according to the setting position and being sized of the pile body of each supporting and retaining system unit；
Steel reinforcement cage is installed in the stake holes；
The template of the top plate and the template and reinforcing bar of reinforcing bar and the supporting beam are installed；
The pile body, the top plate and the supporting beam of the same supporting and retaining system unit are linked to be whole by casting concrete
Body.
Further, the length of the steel reinforcement cage need to there are the surpluses that the supporting beam or the top plate can be inserted；With/
Or,
In the supporting beam along short transverse arrangement reinforcing bar length need to there are the surpluses that the top plate can be inserted.
The present invention provides supporting and retaining system unit, retaining structure and the construction methods on a kind of landslide, by large-scale and ultra-large type
At least two supporting and retaining system units are arranged side by side in the slope foot on landslide, can greatly improve the stabilization of large-scale and ultra-large type landslide slope foot
Property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the supporting and retaining system unit on landslide that the embodiment of the present invention one provides；
Fig. 2 is a kind of transverse views of the supporting and retaining system unit on landslide that the embodiment of the present invention one provides；
Fig. 3 is a kind of longitudinal view of the supporting and retaining system unit on landslide that the embodiment of the present invention one provides；
Fig. 4 is a kind of structural schematic diagram of the retaining structure on landslide provided by Embodiment 2 of the present invention；
Fig. 5 is a kind of lateral schematic diagram of the retaining structure on landslide provided by Embodiment 2 of the present invention；
Fig. 6 is a kind of flow chart of the construction method of the retaining structure on landslide that the embodiment of the present invention three provides.
Appended drawing reference: supporting and retaining system unit 100；Top plate 1；Supporting beam 2；Pile body 3；Slip mass 200；Stablize slider bed 300；Slip band
400。
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further described in more detail.
In the description of the present invention, orientation or positional relationship is the normal operating condition based on retaining structure, such as 2 He of attached drawing
Attached orientation or positional relationship shown in Fig. 4, wherein "upper" is the upper direction of attached drawing 2, and " height " is the up and down direction of attached drawing 2,
" transverse direction " be Fig. 4 front-rear direction, " longitudinal direction " for Fig. 4 front-rear direction, it is to be understood that these directional terminologies merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
It is 300,000-100 ten thousand m that major landslip of the present invention, which is primarily referred to as landslide volume,3Landslide, ultra-large type landslide master
Refer to that landslide volume is greater than 1,000,000 m3Landslide.
Embodiment one
The embodiment of the present invention one provides a kind of supporting and retaining system unit 100 on landslide, as shown in Figure 1 to Figure 3, the supporting and retaining system unit
100 be reinforced concrete structure, and supporting and retaining system unit 100 includes top plate 1, supporting beam 2 and pile body 3, and supporting beam 2 is connect with top plate 1, stake
Body 3 is connect with supporting beam 2.
Specifically, the supporting and retaining system unit 100 of the present embodiment include one piece of top plate 1, two supporting beams 2 and six pile bodies 3, two
The same side of top plate 1 is arranged in 2 parallel interval of supporting beam.It is respectively provided in each supporting beam 2 there are three pile body 3, three pile bodies 3 are flat
Row interval is arranged, and three pile bodies 3 in one of supporting beam 2 are aligned one by one with three pile bodies 3 in another supporting beam 2.
The length of pile body 3 needs to guarantee to pass through the slip band 400 (referring to Fig. 5) on landslide, and reaches predetermined depth.Described here
Predetermined depth is mainly intensity, the rigidity of Thrust of Landslide and pile body 3, stake section, stake according to 3 anchoring section stake week of pile body stratum
Away from etc. parameters calculate and know, specific calculation method be general knowledge known in this field, details are not described herein.
In other embodiments, the quantity of supporting beam 2 can also be greater than two, but at least guarantee that there are two supports
Beam 2, meanwhile, at least provided with two pile bodies 3 in each supporting beam 2, parallel interval setting is not limited between supporting beam 2, it is same
It is also not necessarily limited to parallel interval setting between pile body 3 in a supporting beam 2, is also not necessarily limited between the pile body 3 in different supporting beams 2
Be aligned one by one, as long as in short, guarantee to have in the same supporting and retaining system unit 100 at least two supporting beams 2, in each supporting beam 2 at least
There are two pile bodies 3 for setting, and supporting beam 2, pile body 3 and top plate 1 can collectively constitute the structural unit of a rigidity.
In other embodiments, can also be not connected between two supporting beams 2 and top plate 1, for example, two supporting beams 2 with
There is certain gap between top plate 1, pile body 3 passes through supporting beam 2 and connect with top plate 1.
Further, the shape of the cross section of the pile body 3 of the present embodiment is circle.
The generally rectangular cross-section friction pile of common friction pile, because friction pile rigidity is identical or cross-sectional area area equation
Under the premise of, rectangle friction pile shows supporting and retaining system effect more better than round friction pile in the sand of different soil properties.It is main
It is preferable to the whole supporting and retaining system effect of gliding mass after stake to be embodied in rectangle friction pile, the average displacement of gliding mass is smaller after；Meanwhile phase
It usually requires to be attached by pile plate wall between adjacent friction pile, and the maximum displacement of rectangle friction pile inter-pile soil body also wants small
With rigidity or with the round friction pile of area, this has the design and gliding mass of pile plate wall around the determination that stake squeezes out important Yu Yuqi
Meaning.In addition, the section radius for increasing round friction pile is not significant to the supporting and retaining system effect for reinforcing gliding mass, so, ordinary circumstance
Under, it is more more meaningful than the simple section radius for increasing round friction pile using rectangle anti-slide pile controlling side landslide.
And the pile body 3 of the present embodiment is cylinder, it is with the difference of round friction pile commonly, the present embodiment be by
Six pile bodies, 3, one pieces of top plates 1 and two supporting beams 2 pass through rigid connection combination one structural unit (i.e. supporting and retaining system unit of formation
100) pile plate wall, is not provided between pile body 3 and pile body 3, when actually being protected, the same end of top plate 1 and two supporting beams 2
The slip mass 200 (referring to Fig. 4) to come down with major landslip or ultra-large type is connect.Since the rigidity of supporting and retaining system unit 100 is stronger, because
This, compared with common round friction pile, the section radius for not needing to increase pile body 3 can bear bigger sliding force.
Further, the pile body 3 of the present embodiment is Bored Pile Foundation.
Common rectangle friction pile generally by hand excavation form pore-forming on the ground, still, for being located at edge
For the landslide of river (river) bank spread, since underground water exposure causes water level higher, so, groundwater level higherly
Layer can not by way of hand excavation pore-forming, and the pile body 3 of the present embodiment be cylinder, therefore, mechanical equipment can be passed through
Pore-forming.Bored Pile Foundation is exactly drilling hole and the pile body 3 that armored concrete formed to be perfused on the ground by mechanical equipment,
The long reachable 80-100m of the stake of Bored Pile Foundation, bearing capacity of single pile is high, is adapted to the higher stratum of groundwater level, by
This can reduce influence of the groundwater level to construction.
In other embodiments, pile body 3 is also possible to the cast-in-place concrete piles such as driven cast-in-place pile, digging hole filling pile.?
In other embodiment, the shape of the cross section of pile body 3 may be rectangular or square.
Further, as shown in Figures 2 and 3, the diameter D of the pile body 3 of the present embodiment is 1.5-2.5m, the same supporting beam
The stake spacing between three pile bodies 3 on 2 is bigger, and the overall stiffness of supporting and retaining system unit 100 is stronger, can bear sliding force and also gets over
Greatly, therefore, under the premise of execution conditions allow at the scene, the stake between three pile bodies 3 in the same supporting beam 2 can suitably be increased
Spacing.Preferably, in three pile bodies 3 that parallel interval is arranged in each supporting beam 2 of the present embodiment, two adjacent pile bodies
Stake spacing L1 between 3 is 3-5 times of the diameter D of pile body 3, the stake between two pile bodies 3 being aligned one by one in two supporting beams 2
Spacing L2 is 2-3 times of the diameter D of pile body 3.
Further, the height H1 of the supporting beam 2 of the present embodiment is 1-2 times of the diameter D of pile body 3 and is not less than 2m.
It is unevenly heavy to resist pile body 3 for enhancing the connection between three pile bodies 3 in the same supporting beam 2 for supporting beam 2
Drop combines deformation aspect with three pile bodies 3 of coordination and plays a positive role, and therefore, the size of the width L3 of supporting beam 2 can be appropriate
Increase.Preferably, the width L3 of supporting beam 2 is 1-2 times of the diameter D of pile body 3.
Further, large-scale to be usually located at scenery beautiful rivers and reservoir side with ultra-large type landslide, therefore, it can push up
Laying road or setting landscape belt on plate 1, to develop tour itineraries, and in order to guarantee that top plate 1 can bear certain sliding force,
Also the pressure that road, landscape belt and pedestrians apply top plate 1 can be born, it is preferable that the height H2 of top plate 1 can be set
Length H4 for 0.8-1.5m, top plate 1 can be set to 10-15m.
It is understood that the various sizes of the supporting and retaining system unit 100 of above-mentioned offer are a more appropriate size model
It encloses, in the actual construction process, can correspondingly be adjusted according to the specific constructive form on landslide.
Embodiment two
Second embodiment of the present invention provides a kind of retaining structures on landslide, as shown in Figure 4 and Figure 5, the supporting and retaining system of the present embodiment
Structure includes the supporting and retaining system unit 100 that multiple embodiments one provide；Supporting and retaining system unit 100 is along the landslide that major landslip or ultra-large type come down
The slope foot of body 200 is arranged side by side, and top plate 1 and supporting beam 2 are connect with slope foot, and pile body 3 can at least pass through the slip band on landslide
400, and extend into stable slider bed 300 to reach predetermined depth.
Further, there is flexible subsiding crack (not shown), that is to say, that phase between two adjacent supporting and retaining system units 100
There is certain gap, which both has the function of expansion joint, it may have subsiding crack between two adjacent supporting and retaining system units 100
Function, it is possible thereby to which temperature stress and differential settlement is avoided to damage retaining structure.
Specifically, the upper surface of top plate 1 can be flushed with the terrestrial reference face of slope foot, can also be embedded in earth's surface, supporting and retaining system
The lateral dimension of unit 100 is determined according to 33 arrangement forms of pile body, while should meet stability requirement, supporting and retaining system unit 100
Longitudinal size should require to be configured according to 3 arrangement form of pile body and related expansion joint, and the quantity of supporting and retaining system unit 100 is according to large size
The longitudinal size of the slope foot of the slip mass 200 on landslide or ultra-large type landslide determines, still, two supporting and retaining system units is at least arranged
100。
The upper surface of top plate 1 can also form effective platform, to avoid economic waste caused by when secondary development.Together
When, it can be combined with engineering location characteristic, in facilities such as the upper surface of top plate 1 setting road, lookout terraces, with many-sided full side
Local characteristic is developed in position, improves local economic benefit.
Further, retaining structure further includes guardrail (not shown), and side of the top plate 1 far from slope foot is arranged in guardrail, when
In facilities such as the upper surface of top plate 1 setting road, lookout terraces, guardrail can play protective action to pedestrian and tourist.
Compared with common friction pile, the 4-6 of the skid resistance of retaining structure provided in this embodiment up to common friction pile
Times, therefore, which can effectively improve the stability of large-scale and ultra-large type landslide slope foot.
Embodiment three
The embodiment of the present invention three provides a kind of construction method of the retaining structure on landslide, which is mainly used for pair
The retaining structure that embodiment two provides is constructed.As shown in fig. 6, the construction method is main including the following steps:
Step 1: it is coming down according to the top plate 1 of each supporting and retaining system unit 100 and the setting absolute altitude of supporting beam 2 with being sized
Slope foot at slip mass 200 on slot；
When practice of construction, the quantity of supporting and retaining system unit 100 should be determined according to the length of slope foot, but to be at least arranged two
Supporting and retaining system unit 100.Top plate 1 and supporting beam 2 according to setting absolute altitude and can be sized on slip mass using professional equipment
It is excavated, when necessary, construction provisional protection can be carried out；Smooth location is also needed before construction, if former slope foot is provided with it
If its facility, it is also desirable to remove corresponding facility or temporarily change shifting, when necessary, it is also necessary to carry out provisional protection to massif.
Step 2: according to each supporting and retaining system unit 100 pile body 3 setting position and be sized excavate pile body 3 stake holes；
It, can be using pore-formings such as impact drill, churning drivens if being provided that Bored Pile Foundation.
It should be noted that there is no point of sequencing between step 1 and step 2.
Step 3: steel reinforcement cage is installed in stake holes；
When practice of construction, surplus can be stopped for the length of steel reinforcement cage, in order to which one end that steel reinforcement cage is located at outside stake holes can
To be inserted into supporting beam 2 or top plate 1, to improve the rigidity of supporting and retaining system unit 100.
Step 4: the template of the top plate and the template and reinforcing bar of reinforcing bar and the supporting beam are installed；
When practice of construction, the length in supporting beam 2 along the reinforcing bar of short transverse arrangement can also stop surplus, in order to prop up
The reinforcing bar of beam 2 is supportted in the template that top plate 1 can be inserted in one end of top plate 1, to further increase pile body 3, supporting beam 2 and top
Rigid connection between plate 1.
Step 5: the pile body 3, top plate 1 and supporting beam 2 of the same supporting and retaining system unit 100 are linked to be entirety by casting concrete.
Specifically, it is constructed by cast-in-place mode to supporting and retaining system unit 100, before pouring, top plate 1 and supporting beam 2 is installed
Template and reinforcing bar, then, the casting concrete in the template of stake holes, top plate 1 and supporting beam 2, by pile body 3, supporting beam 2 and top
Plate 1 is linked to be entirety.If in the primary excavation foundation pit of construction, after the completion of construction, it is also necessary to backfill foundation pit.
The various embodiments described above each provide supporting and retaining system unit, retaining structure and the construction method on a kind of landslide, by big
At least two supporting and retaining system units are arranged side by side in type and the slope foot on ultra-large type landslide, can greatly improve large-scale and ultra-large type landslide slope
The stability of foot.
More than, only a specific embodiment of the invention, but protection scope of the present invention and difference are limited to this, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of supporting and retaining system unit on landslide, which is characterized in that the supporting and retaining system unit is reinforced concrete structure, the supporting and retaining system unit
Including top plate, supporting beam and pile body；
The quantity of the supporting beam is at least two, is connected at least two pile bodies, the branch in each supporting beam
Support beam and the pile body are arranged at the same side of the top plate；
The length of the pile body can at least pass through the slip band on landslide, and reach predetermined depth.
2. supporting and retaining system unit according to claim 1, which is characterized in that the supporting beam connect or is spaced with the top plate and sets
It sets；The quantity of the supporting beam is two, two supporting beam parallel interval settings；
There are three the pile bodies for equal parallel interval setting in each supporting beam；Three institutes in one of them described supporting beam
Pile body is stated to be aligned one by one with three pile bodies in supporting beam described in another.
3. supporting and retaining system unit according to claim 1 to 2, which is characterized in that the shape of the cross section of the pile body be it is round,
Rectangular or rectangle.
4. supporting and retaining system unit according to claim 1 to 2, which is characterized in that the pile body is Bored Pile Foundation, immersed tube filling
Infuse stake or digging hole filling pile.
5. supporting and retaining system unit according to claim 4, which is characterized in that the diameter of the pile body is 1.5-2.5m；
And/or in each supporting beam parallel interval be arranged three pile bodies in, two adjacent pile bodies it
Between stake spacing be 3-5 times of diameter of the pile body；
And/or the stake spacing between two pile bodies being aligned one by one in two supporting beams is the diameter of the pile body
2-3 times.
6. supporting and retaining system unit according to claim 4, which is characterized in that the support depth of beam is the diameter of the pile body
1-2 times and be not less than 2m；The width of the supporting beam is 1-2 times of the diameter of the pile body；And/or
The height of the top plate is 0.8-1.5m；And/or
The length of the top plate is 10-15m.
7. a kind of retaining structure on landslide, which is characterized in that the retaining structure includes described at least two claim 1-6
Supporting and retaining system unit；
The slope foot of slip mass of all supporting and retaining system units along landslide is arranged side by side；
The top plate and the supporting beam are connect with the slip mass；
The pile body can at least pass through the slip band on the landslide, and reach predetermined depth.
8. retaining structure according to claim 7, which is characterized in that have between the supporting and retaining system unit of adjacent two and stretch
Contracting subsiding crack.
9. a kind of construction method of the retaining structure for landslide as claimed in claim 7, the construction method include:
According to the top plate of each supporting and retaining system unit and the setting absolute altitude of the supporting beam and it is sized on the slope on landslide
It slots on slip mass at foot；
The stake holes of the pile body is excavated according to the setting position and being sized of the pile body of each supporting and retaining system unit；
Steel reinforcement cage is installed in the stake holes；
The template of the top plate and the template and reinforcing bar of reinforcing bar and the supporting beam are installed；
The pile body, the top plate and the supporting beam of the same supporting and retaining system unit are linked to be entirety by casting concrete.
10. construction method according to claim 9, which is characterized in that the length of the steel reinforcement cage need to there are can be inserted
The surplus of the supporting beam or the top plate；And/or
In the supporting beam along short transverse arrangement reinforcing bar length need to there are the surpluses that the top plate can be inserted.
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| CN201910311486.3A CN110055981A (en) | 2019-04-18 | 2019-04-18 | Supporting and retaining system unit, retaining structure and the construction method on landslide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116341210A (en) * | 2023-02-24 | 2023-06-27 | 武汉大学 | Damming dam leakage control structure based on calculus idea and dangerous situation characteristics and optimization method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201148620Y (en) * | 2008-01-11 | 2008-11-12 | 肖世国 | Small-sized pile combined antiskid structure |
| CN102877473A (en) * | 2012-07-13 | 2013-01-16 | 华东交通大学 | Skirt pile and soil coupled slid-resistant structure |
| CN103711130A (en) * | 2013-12-17 | 2014-04-09 | 上海岩土工程勘察设计研究院有限公司 | Portal frame type bamboo joint mortar pile enclosure structure and construction method thereof |
| CN203795434U (en) * | 2013-12-17 | 2014-08-27 | 上海岩土工程勘察设计研究院有限公司 | Portal type bamboo joint mortar pile building envelope |
| CN105133624A (en) * | 2015-09-30 | 2015-12-09 | 贵州正业工程技术投资有限公司 | Double-row pile support structure |
| CN205348195U (en) * | 2016-01-11 | 2016-06-29 | 浙江宝业建设集团有限公司 | Anchor rope spouts supporting construction that anchor double row pile was drawn in stake soon |
| CN205576940U (en) * | 2016-04-06 | 2016-09-14 | 武汉理工大学 | Compound retaining structure of friction pile that pile bolck is connected entirely |
| CN107090839A (en) * | 2017-06-26 | 2017-08-25 | 深圳宏业基岩土科技股份有限公司 | Composite space landslide retaining structure |
| CN107288126A (en) * | 2017-08-12 | 2017-10-24 | 湖南科技大学 | A kind of drill-pouring combination anti-slid pile and its construction method |
| CN206971232U (en) * | 2017-06-28 | 2018-02-06 | 浙江中成建工集团有限公司 | A kind of oblique inner support foundation pit enclosure structure of shaped steel cement earth pile |
| CN108343077A (en) * | 2018-04-23 | 2018-07-31 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Miniature anti-slide pile composite structure and its construction method |
| CN210482328U (en) * | 2019-04-18 | 2020-05-08 | 中铁第四勘察设计院集团有限公司 | Retaining unit and retaining structure for landslide |
-
2019
- 2019-04-18 CN CN201910311486.3A patent/CN110055981A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201148620Y (en) * | 2008-01-11 | 2008-11-12 | 肖世国 | Small-sized pile combined antiskid structure |
| CN102877473A (en) * | 2012-07-13 | 2013-01-16 | 华东交通大学 | Skirt pile and soil coupled slid-resistant structure |
| CN103711130A (en) * | 2013-12-17 | 2014-04-09 | 上海岩土工程勘察设计研究院有限公司 | Portal frame type bamboo joint mortar pile enclosure structure and construction method thereof |
| CN203795434U (en) * | 2013-12-17 | 2014-08-27 | 上海岩土工程勘察设计研究院有限公司 | Portal type bamboo joint mortar pile building envelope |
| CN105133624A (en) * | 2015-09-30 | 2015-12-09 | 贵州正业工程技术投资有限公司 | Double-row pile support structure |
| CN205348195U (en) * | 2016-01-11 | 2016-06-29 | 浙江宝业建设集团有限公司 | Anchor rope spouts supporting construction that anchor double row pile was drawn in stake soon |
| CN205576940U (en) * | 2016-04-06 | 2016-09-14 | 武汉理工大学 | Compound retaining structure of friction pile that pile bolck is connected entirely |
| CN107090839A (en) * | 2017-06-26 | 2017-08-25 | 深圳宏业基岩土科技股份有限公司 | Composite space landslide retaining structure |
| CN206971232U (en) * | 2017-06-28 | 2018-02-06 | 浙江中成建工集团有限公司 | A kind of oblique inner support foundation pit enclosure structure of shaped steel cement earth pile |
| CN107288126A (en) * | 2017-08-12 | 2017-10-24 | 湖南科技大学 | A kind of drill-pouring combination anti-slid pile and its construction method |
| CN108343077A (en) * | 2018-04-23 | 2018-07-31 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Miniature anti-slide pile composite structure and its construction method |
| CN210482328U (en) * | 2019-04-18 | 2020-05-08 | 中铁第四勘察设计院集团有限公司 | Retaining unit and retaining structure for landslide |
Non-Patent Citations (1)
| Title |
|---|
| 殷跃平: "《滑坡防治技术指南》", 地质出版社, pages: 284 - 285 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116341210A (en) * | 2023-02-24 | 2023-06-27 | 武汉大学 | Damming dam leakage control structure based on calculus idea and dangerous situation characteristics and optimization method thereof |
| CN116341210B (en) * | 2023-02-24 | 2024-05-28 | 武汉大学 | Dam blocking and blocking control leakage structure based on dangerous case characteristics and optimization method thereof |
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