CN107447775A - Landslide disaster body makes ground draining reinforced earth retaining wall structure - Google Patents
Landslide disaster body makes ground draining reinforced earth retaining wall structure Download PDFInfo
- Publication number
- CN107447775A CN107447775A CN201710677037.1A CN201710677037A CN107447775A CN 107447775 A CN107447775 A CN 107447775A CN 201710677037 A CN201710677037 A CN 201710677037A CN 107447775 A CN107447775 A CN 107447775A
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- Prior art keywords
- rib
- draining
- panel
- drainage column
- reinforced earth
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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
- 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
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
-
- 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
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
Landslide disaster body makes ground draining reinforced earth retaining wall structure and is related to reinforced earth bulkhead support technology field.The present invention is one of two kinds of structural shapes；The first includes：Cap stone, rib post, draining panel, rib type rib tape, basis；Draining panel (3) contains osculum (3 1), and osculum is arranged in the middle and lower part of draining panel (3)；Include for second：Cap stone (1), rib type rib tape (4), basic (5), drainage column (6), lattice plate (7), lattice girder (8)；Drainage column contains draining floral tube (6 1), and draining floral tube (6 1) is arranged in the middle and lower part of drainage column.Rib type rib tape includes outer anchor head (4 1) and anchor cable (4 2).The present invention improves the drainability of reinforced earth bulkhead using draining panel or drainage column, reduces the water pressure increase because of caused by impeded drainage；Rigid rib band can resist certain differential settlement, and rib type structure and anchor cable in rib tape, further increase the pulling force of horizontal direction, prevent soil body slipping to deform.
Description
Technical field
The present invention relates to a kind of reinforced earth bulkhead support technology, is developed with making in particular for current landslide disaster body
High roadbed, the super large earth volume of middle appearance and the draining reinforced earth retaining wall structure used, belong to hazards control safe practice
Field, it is widely used in the preventing and treating that landslide disaster body makes tall earth fill in ground.
Background technology
In recent years, capacity wretched insufficiency in soil constrains the construction and development in city, in all parts of the country mostly by using " cutting
Mountain, fill out ditch, make ground, build city " the methods of carry out the utilization in landslide disaster body soil to increase land used.But in engineering construction
High embankment is frequently encountered, not only easily activates original natural geologic hazard, also newborn numerous artificial hazardous locations.This
Outside, after primitive groove road is filled and led up, if charge for remittance row in upstream, which leads, not in time, also results in the serious subsidence of foundations, in addition slope instability, increase
Geological disaster risk.It is general more using schemes such as barricade, friction piles to prevent above-mentioned calamity source.
Wherein, Construction of Reinforced Earth Retaining Walls is easy, quick, economical, has gradually applied to landslide disaster body and has made high roadbed in ground
The preventing and treating of side slope, especially obtain significant comprehensive benefit in reservoir area of Three Gorges Deng Di high embankments area.However, the fortune for passing through the several years
OK, traditional reinforced earth bulkhead deforms to some extent, or even destroys, and has threatened the safety of resident.
Impeded drainage tends to cause the water pressure in banketing to increase in reinforced earth bulkhead filler, in addition, filler and face
Relative settlement between plate, bar strip with panel junction stress concentration, the actual tension of rib tape is far longer than its design
Allowable tensile stress, then cause the rupture failure of rib tape, these are all the main originals for causing reinforced earth bulkhead deformation failure
Cause.Therefore there is an urgent need to study a kind of new draining reinforced earth retaining wall structure, the draining and rib tape for lifting reinforced earth bulkhead resist
Damage capability.
Landslide disaster body, which makes reduction geological disaster risk in ground, has important social effect and economic value.China Shan
Ground pilot is made in the ground such as west, Zhejiang, Fujian, Hubei by landslide disaster body, has greatly expanded land used, but largely occur simultaneously
High slope, high roadbed geological disaster risk should not also be ignored.In addition, landslide disaster body is used for the construction pair on airport, high ferro with making
High slope, the deformation of high roadbed Rock And Soil propose more strict requirements.
The content of the invention
The purpose of the present invention aiming above mentioned problem existing for prior art, by set rib type rib tape, draining panel,
The structures such as drainage column, a kind of new draining reinforced earth retaining wall structure is proposed, so as to lift the draining of reinforced earth bulkhead and rib tape
Survivability.
The purpose of the present invention and solve its technical problem and can be achieved through the following technical solutions.
Ground draining reinforced earth retaining wall structure is made according to landslide disaster body proposed by the present invention, including：Two kinds of structural shapes.
Landslide disaster body makes ground draining reinforced earth retaining wall structure, it is characterised in that：For one of following two structural shapes；
The first structural shape includes：Cap stone (1), rib post (2), draining panel (3), rib type rib tape (4), basic (5)；Rib type muscle
Band (4) includes outer anchor head (4-1) and anchor cable (4-2)；Draining panel (3) contains osculum (3-1), and osculum (3-1) is arranged
In the middle and lower part of draining panel (3)；Rib post (2) is located on the outside of draining panel (3), and rib type rib tape (4) stream line (4-2) passes through row
Water panel (3) preformed hole, it is anchored on the outside of rib post (2), i.e., outer anchor head (4-1)；
Second of structural shape includes：Cap stone (1), rib type rib tape (4), basic (5), drainage column (6), lattice plate (7), lattice
Structure beam (8)；Drainage column (6) contains draining floral tube (6-1), and draining floral tube (6-1) is arranged in the middle and lower part of drainage column (6)；Its
In, rib type rib tape (4) includes outer anchor head (4-1) and anchor cable (4-2)；Rib type rib tape (4) stream line (4-2) is directly and drainage column
(6) connect, outer anchor head (4-1) is on the hollow shaft inwall of drainage column (6)；Drainage column (6) both sides are provided with lattice plate (7) and lattice
Structure beam (8).Draining panel contains osculum, and drainage column contains draining floral tube, and osculum, draining floral tube are all respectively arranged in row
The middle and lower part of water panel, drainage column.
In the first described structural shape, rib post is located at draining panels outside, and rib type rib tape stream line passes through draining face
Plate preformed hole, it is anchored on the outside of rib post, i.e., outer anchor head, alloy sleeve can be disposed in advance in draining panel preformed hole.
In second described of structural shape, rib type rib tape stream line is directly connected with drainage column, and outer anchor head is in drainage column
On hollow shaft inwall.Together with lattice plate, the lattice girder of drainage column both sides are cast-in-place with drainage column.
In rib type rib tape, rib tape is the rigid structure of shape with ribbing, can be precast concrete or reinforced concrete structure.Rib
Type rib tape is divided into common section and rib type section, and the thickness of rib type section is generally common 3 times of section thickness, vertically upward, downwardly projecting
Consistency of thickness.Anchor cable anchor ring is located in rib type section.In addition, the horizontal cross width of rib type rib tape is generally common section thickness
3~5 times.
Draining 5~10mm of bore dia of draining panel, and formula straggly is arranged.Osculum can be drilled with air drill.Panel is with filling out
Grit loaded filter is set between soil.
Drainage column inner hollow, shaft inwall set draining floral tube, caliber 100mm, along the vertical spacing 1.0m of shaft.Row
The section of water column can be that rectangle is alternatively circle.
The osculum of draining panel, the draining floral tube of drainage column, it is both needed to use permeable geotextiles.
Beneficial effect
Landslide disaster body of the present invention makes ground draining reinforced earth retaining wall structure, has the following effects that：
(1) drainability of reinforced earth bulkhead is improved using draining panel or drainage column, reduces and causes because of impeded drainage
Water pressure increase；
(2) rigid rib band can resist certain differential settlement, and rib type structure and anchor cable in rib tape, further increase water
Square to pulling force, prevent soil body slipping to deform.Steel strand wires can meet shearing strength and certain elongation percentage requirement in anchor cable.
(3) second of structural shape can also set up longer drainpipe in the present invention, drainpipe is connected with drainage pile, formation is matched somebody with somebody
Cover drainage system.Wherein, the drainpipe other end, which is embedded in, makes ground sloping inner depths.
(4) alloy sleeve in draining panel preformed hole adds shear resistance of the rib tape between panel, prevents from protecting outside anchor cable
Steel wire corrosion that sheath occurs by cutting, fracture.
(5) it is clear to administer program, it is workable；
In summary, the present invention technically has significant progress, and has obvious good effect, be really a novelty,
Progressive, practical technical method.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
Simultaneously can be practiced according to the content of specification, and in order to allow the present invention above and other objects, features and advantages energy
Enough become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is that the landslide disaster body of the present invention makes ground draining reinforced earth bulkhead the first structural shape profile；
Fig. 2 is that the landslide disaster body of the present invention makes ground draining second of structural shape profile of reinforced earth bulkhead；
Fig. 3 is Fig. 1,2 middle rib type rib tape schematic diagrames；
Fig. 4 is the front elevation of the first structural shape of barricade in Fig. 1；
Fig. 5 is the front elevation of second of structural shape of barricade in Fig. 2.
1st, cap stone, 2, rib post, 3, draining panel, 4, rib type rib tape, 5, basis, 6, drainage column, 7, lattice plate, 8, lattice girder, 9,
Banket, 3-1, osculum, 4-1, outer anchor head, 4-2, anchor cable, 6-1, draining floral tube
Embodiment
To further describe the present invention, ground draining reinforcement is made to landslide disaster body of the present invention with reference to the accompanying drawings and examples
Native barricade and construction method are described in further detail.
Ground draining reinforced earth retaining wall structure profile is made as the landslide disaster body shown in Fig. 1,2 and is found out with reference to Fig. 3~5,
The present invention includes two kinds of structural shapes, and the first structural shape includes：Cap stone, rib post, draining panel, rib type rib tape, basis；The
Two kinds of structural shapes include：Cap stone, rib type rib tape, basis, drainage column, lattice plate, lattice girder.Wherein, rib type rib tape includes outer
Anchor head, anchor cable.Draining panel contains osculum, and drainage column contains draining floral tube, and osculum, draining floral tube be all respectively arranged in
The middle and lower part of draining panel, drainage column.In the first structural shape, rib post is located at draining panels outside, rib type rib tape stream line
Through draining panel preformed hole, it is anchored on the outside of rib post, i.e., outer anchor head.In second described of structural shape, in rib type rib tape
Anchor cable is directly connected with drainage column, and outer anchor head is on the hollow shaft inwall of drainage column.Lattice plate, the lattice girder of drainage column both sides
Together with cast-in-place with drainage column.In rib type rib tape, rib tape is the rigid structure of shape with ribbing, can be that precast concrete or reinforcing bar mix
Xtah Crude Clay structure.Rib type rib tape is divided into common section and rib type section, and the thickness of rib type section is generally common 3~4 times of section thickness, vertically to
Upper, downwardly projecting consistency of thickness.Anchor cable anchor ring is located in rib type section.In addition, the horizontal cross width of rib type rib tape is general
For 3~5 times of common section thickness.Draining 5~10mm of bore dia of draining panel, and formula straggly is arranged.Osculum can use air drill
Drilling.Drainage column inner hollow, shaft inwall set draining floral tube, caliber 100mm, along the vertical spacing 1.0m of shaft.Draining
Post can be that rectangle is alternatively circle.The osculum of draining panel, the draining floral tube of drainage column, it is both needed to use permeable geotextiles.
Embodiment 1：Construct regional situation：Certain landslide disaster Ti Zaodi new districts tall earth fill, basement rock are severely-weathered plaster
Rock, filled slope 57m, fill material are angular limestone, the marl mass gravelly soil that excavation pick is abandoned, and design and are added using three-level
Rib retaining wall structure, every grade of barricade is using the first type structure of the invention, i.e. drain bar+rib type rigid rib band structure.Specifically apply
Work step is suddenly as follows.First step：Levelling of the land, foundation trench excavate；Second step：Construction lofting, basis pour；Third step：Peace
Draining panel and rib post are filled, rib post is set every 5m, and panel is fixed using diagonal brace, and the level and inclination between strict control panel are missed
Difference, and drilled by air drill, diameter 5mm osculum is formed, osculum sets double-deck permeable geotextiles by side of banketing；4th step
Suddenly：Fill construction, maximum particle diameter of banketing must not exceed 15cm, and compaction in layers rolls；5th step：Lay rib type rib tape, rib
Type rib tape can be prefabricated, keeps during installation rib tape horizontal, rib type section insertion compacted fill layer, and anchor cable is consolidated by panel preformed hole
On the outside of rib post.Wherein the three~five step can be repeated in carrying out with elevation.
Embodiment 2：Construct regional situation：Certain landslide disaster body makes ground high ferro tall earth fill, and basement rock is fine sandstone, is filled out
Soil thickness is 30m, and fill material is loess, and design uses multistage reinforced retaining wall structure, and every grade of barricade is using of the invention second
Type structure, i.e. drainage column+rib type rigid rib band structure.Specific construction step is as follows.First step：Levelling of the land, foundation trench are opened
Dig；Second step：Construction lofting, basis pour；Third step：Pour drainage column, lattice girder and lattice plate.Masterplate is disposed, is tied up
Wire-tie, one-piece casting concrete, wherein in drainage column wall thickness 300mm, shaft sets draining floral tube, caliber 100mm, along post
The vertical spacing 1.0m of body, is arranged in a circular formation, by first using air drill to drill, aperture 110mm, and then pre-buried aperture 100mm drainings
Floral tube, permeable geotextiles are wrapped up in outside；Four steps：Fill construction, compaction in layers roll；5th step：Lay rib type rib tape, rib type
Rib tape can be prefabricated, keeps during installation rib tape horizontal, rib type section insertion compacted fill layer, and anchor cable is fixed by panel preformed hole
On the outside of rib post.Wherein the three~five step can be repeated in carrying out with elevation.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
(1) drainability of reinforced earth bulkhead is improved using draining panel or drainage column, reduce because of impeded drainage and
Caused water pressure increase；
(2) rigid rib band can resist certain differential settlement, and the angle of cut of rib tape and panel rises to about from destructible 45 °
70 ° (wherein, 90 ° represent that rib tape is vertical with panel, and rib tape is without skew force).And rib type structure and anchor cable in rib tape, further
The pulling force of horizontal direction is added, prevents soil body slipping to deform.Steel strand wires can meet that shearing strength is prolonged with certain in anchor cable
Stretch rate requirement.
(3) second of structural shape can also set up longer drainpipe in the present invention, drainpipe is connected with drainage pile, formation is matched somebody with somebody
Cover drainage system.Wherein, the drainpipe other end, which is embedded in, makes ground sloping inner depths.Drainage efficiency about 20~30% can be increased.
(4) alloy sleeve in draining panel preformed hole adds shear resistance of the rib tape between panel, prevents from protecting outside anchor cable
Steel wire corrosion that sheath occurs by cutting, fracture so that originally the anchor cable life-span from possibility 1 year less than increasing to 10 years or so.
Claims (7)
1. landslide disaster body makes ground draining reinforced earth retaining wall structure, it is characterised in that：For one of following two structural shapes；
The first structural shape includes：Cap stone (1), rib post (2), draining panel (3), rib type rib tape (4), basic (5)；Rib type muscle
Band (4) includes outer anchor head (4-1) and anchor cable (4-2)；Draining panel (3) contains osculum (3-1), and osculum (3-1) is arranged
In the middle and lower part of draining panel (3)；Rib post (2) is located on the outside of draining panel (3), and rib type rib tape (4) stream line (4-2) passes through row
Water panel (3) preformed hole, it is anchored on the outside of rib post (2), i.e., outer anchor head (4-1)；
Second of structural shape includes：Cap stone (1), rib type rib tape (4), basic (5), drainage column (6), lattice plate (7), lattice girder
(8)；Drainage column (6) contains draining floral tube (6-1), and draining floral tube (6-1) is arranged in the middle and lower part of drainage column (6)；Wherein, rib
Type rib tape (4) includes outer anchor head (4-1) and anchor cable (4-2)；Rib type rib tape (4) stream line (4-2) directly connects with drainage column (6)
Connect, outer anchor head (4-1) is on the hollow shaft inwall of drainage column (6)；Drainage column (6) both sides are provided with lattice plate (7) and lattice girder
(8)。
2. landslide disaster body according to claim 1 makes ground draining reinforced earth retaining wall structure, it is characterised in that：Described
In a kind of structural shape, alloy sleeve is disposed in draining panel preformed hole in advance.
3. landslide disaster body according to claim 1 makes ground draining reinforced earth retaining wall structure, it is characterised in that：Described
In two kinds of structural shapes, together with the lattice plate (7), lattice girder (8) of drainage column (6) both sides are cast-in-place with drainage column (6).
4. landslide disaster body according to claim 1 makes ground draining reinforced earth retaining wall structure, it is characterised in that：Described rib
In type rib tape (4), rib tape is the rigid structure of shape with ribbing, is precast concrete or reinforced concrete structure；Rib type rib tape (4)
It is divided into common section and rib type section, the thickness of rib type section is common 3 times of section thickness, consistency of thickness vertically upward, downwardly projecting；Anchor
Rope (4-2) anchor ring is located in rib type section；The horizontal cross width of rib type rib tape (4) is 3~5 times of common section thickness.
5. landslide disaster body according to claim 1 makes ground draining reinforced earth retaining wall structure, it is characterised in that：Its feature exists
In osculum (3-1) 5~10mm of diameter of described draining panel (3), and formula straggly is arranged；Draining panel and set between banketing
Grit loaded filter.
6. landslide disaster body according to claim 1 makes ground draining reinforced earth retaining wall structure, it is characterised in that：Described row
Water column (6) inner hollow, shaft inwall set draining floral tube (6-1), caliber 100mm, along the vertical spacing 1.0m of shaft；Draining
Column section is rectangle or is circular.
7. landslide disaster body according to claim 1 makes ground draining reinforced earth retaining wall structure, it is characterised in that：Described row
The osculum (3-1) of water panel (3), the draining floral tube (6-1) of drainage column (6), using permeable geotextiles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677037.1A CN107447775A (en) | 2017-08-09 | 2017-08-09 | Landslide disaster body makes ground draining reinforced earth retaining wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677037.1A CN107447775A (en) | 2017-08-09 | 2017-08-09 | Landslide disaster body makes ground draining reinforced earth retaining wall structure |
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| CN107447775A true CN107447775A (en) | 2017-12-08 |
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| CN201710677037.1A Pending CN107447775A (en) | 2017-08-09 | 2017-08-09 | Landslide disaster body makes ground draining reinforced earth retaining wall structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982004A (en) * | 2021-12-24 | 2022-01-28 | 太原理工大学 | Anchor cable-reinforced soil combined soil retaining member and construction method thereof |
| WO2022247015A1 (en) * | 2021-05-27 | 2022-12-01 | 中铁十九局集团第三工程有限公司 | Retaining wall structure using corrugated plates and construction method therefor |
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Application publication date: 20171208 |
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