CN102561368A - Pre-compacted reinforced soil block flexible supporting structure - Google Patents
Pre-compacted reinforced soil block flexible supporting structure Download PDFInfo
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- CN102561368A CN102561368A CN2012100042363A CN201210004236A CN102561368A CN 102561368 A CN102561368 A CN 102561368A CN 2012100042363 A CN2012100042363 A CN 2012100042363A CN 201210004236 A CN201210004236 A CN 201210004236A CN 102561368 A CN102561368 A CN 102561368A
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Abstract
The invention discloses a pre-compacted reinforced soil block flexible supporting structure, wherein the intermediate course is a layered integral body formed by wrapping plural horizontal annular reinforced pre-compacted soil blocks (7) with vertical annular geogrids (8) at each layer and connecting by a nail, soil aggregate (13) is filled between the horizontal annular reinforced pre-compacted soil block (7) at the inner side and a side slope to form an inner side drainage layer (16), the vertical annular geogrids (8) at two layers are connected through a connection rod (17), the horizontal annular reinforced pre-compacted soil blocks (7) at each layer are connected with each other via a nail (9), and the pre-compacted horizontal annular wrapped reinforced soil block in a bottom water permeable layer (3) and a slope top water permeable layer (1) is formed by filling soil aggregate (13) in a horizontal annular geogrid (19) and compacting on field. The invention is suitable for rapid repair of water damaged or collapsing road slope of expansive soil, red clay and red sandstone, and has low application cost, no road occupation in construction, convenient process and fast construction speed.
Description
Technical field
The present invention relates to a kind of protection of slope of highway, is the flexible masonry structure of a kind of pre-compacted reinforcement soil block.
Background technology
Existing patent open (bulletin) number: the prefabricated section flexible retaining wall structure patent of 201891130U discloses a kind of soil-baffling structure, and this structure is made up of vertical dowel and the horizontal geotechnological anchor pole piling up the building block on backfill aggregate or concrete beam by rule and be arranged on the concrete block masonry layer.This structure applications cost is high, and is not suitable for geological conditionss such as expansive soil, admaic earth; (open (bulletin) number: CN100464034) the flexible retaining structure that provides of this invention has following architectural feature: the bottom at retaining structure is permeable basal layer for a kind of flexible reinforcement retaining structure and job practices thereof; Between retaining structure and excavation face, pervious layer is arranged, this pervious layer and permeable basal layer are one; Permeable basal layer excavation down has sewer; In whole retaining structure, lay the muscle material, every layer muscle material all surpasses the width of retaining structure, and anti-package is to last layer, and is connected with the muscle material of last layer, and every layers of reinforcement material is used the earthen backfill compacting of being excavated.This structure is particularly suitable for expansive soil, but for the side slope of operation highway sliding destruction of collapsing, because the excavation backfill need take the road surface and will cause the construction period traffic jam in the work progress, in addition, speed of application can not satisfy the requirement of quick reparation.
In swelled ground area and red beds basin, having built highway construction cut slope damaged or destroyed by flood destruction is the common disease of side slope.Destroy and usually can cause traffic jam in case the damaged or destroyed by flood of side slope takes place, how to protect under the logical condition, repair the highway section that damaged or destroyed by flood destroys as early as possible, recover normal traffic, the construction difficult problem that the person that is the road management faces at road.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly is applicable to the quick reparation of damaged or destroyed by floods such as expansive soil, admaic earth and Red Sandstone, the ways section of collapsing road slope and application cost is low, construction does not take road, technology is easy and speed of application is fast pre-compacted reinforcement soil block flexible support structure.
In order to solve the problems of the technologies described above; Pre-compacted reinforcement soil block flexible support structure provided by the invention; The intermediate layer is every layer and is connected to form a laminated integrally by some horizontal ring-type reinforcement pre-compacted soil blocks through vertical ring-type GSZ parcel and with following closely; Filling gravelly soil forms the inboard row water layer and squeezes in the soil block with pitman and is connected between the described horizontal ring-type reinforcement pre-compacted soil block of inboard and side slope; Said horizontal ring-type reinforcement pre-compacted soil block is formed by the cohesive soil pre-compacted that horizontal ring-type GSZ is filled with water content preparation on request, and each interlayer of described horizontal ring-type reinforcement pre-compacted soil block is connected by nail; Bottom discharge structure layer is made up of bottom pervious layer and bottom sewer; Top layer discharge structure layer is made up of sloping top pervious layer and sloping top sewer, the pre-compacted horizontal loops bag reinforcement soil block in described bottom pervious layer and the described sloping top pervious layer by horizontal ring-type GSZ filling gravelly soil at the scene compacting form.
The structure of described bottom sewer and described sloping top sewer is filling gravelly soil and compacting formation behind waterproof geotextiles that is laid on the ditch bottom and flexible porous tube.
The optimum water content that described cohesive soil obtains by modified compaction test adds 3 percentage points being as the criterion preparation and index of plasticity greater than 17 with forming a fine and close combination between GSZ and the compacting soil block.
Every layer is wrapped up through vertical ring-type GSZ by some horizontal ring-type reinforcement pre-compacted soil blocks and connects with vertical U sprig.
Each interlayer of described horizontal ring-type reinforcement pre-compacted soil block is connected by horizontal U sprig.
Adopt the pre-compacted reinforcement soil block flexible support structure of technique scheme, horizontal ring-type reinforcement pre-compacted soil block is a reinforced earth, has shear strength and the crack resistance bigger than the general soil body; Because no longer side slope field fabrication, thereby avoided construction tying up to the highway communication road; Horizontal ring-type reinforcement pre-compacted soil block is transported to the job site, and connects assembly unit, can form the reinforced earth dummy of an integral body fast, thereby reduce the construction period greatly, reduce construction influence to road traffic through GSZ, U sprig.
It is strange land compacting, on-site consolidation construction that the present invention changes traditional on-the-spot compacting filling construction; Avoided tying up the problem that traffic route further aggravates traffic jam because of the repairing construction place; Simultaneously; The strange land compacting can also improve work efficiency greatly, controls the Forming Quality of compacting block effectively, forms safer side slope dummy.
In sum; The present invention has combined the advantage of prefabricated section flexible retaining wall structure and flexible reinforcement retaining structure; Have the characteristic that application cost is low, construction does not take road, technology is easy and speed of application is fast, be applicable to the damaged or destroyed by floods such as speedway expansive soil, admaic earth and Red Sandstone of operation, the quick reparation of the ways section of collapsing road slope.
Description of drawings
Fig. 1 is the flexible retaining structure schematic cross-sectional view of pre-compacted reinforcement soil block.
Fig. 2 is the flexible retaining structure drawing of pre-compacted reinforcement soil block.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.
Referring to Fig. 1 and Fig. 2; The intermediate layer be every layer by some horizontal ring-type reinforcement pre-compacted soil blocks 7 through vertical ring-type GSZ 8 parcels; Connect by nail 9 between each soil block of horizontal ring-type reinforcement pre-compacted soil block 7; Be connected with following closely 2 between vertical ring-type GSZ 8 and the horizontal ring-type reinforcement pre-compacted soil block 7; Thereby it is whole to form a GSZ reinforcement prop at vertical ring-type GSZ 8 two ends through pitman 17 connections; Filling gravelly soil 13 forms inboard row water layers 16 and with pitman 17 adjacent vertical ring-type GSZ is connected between the horizontal ring-type reinforcement pre-compacted soil block 7 of inboard and side slope; Horizontal ring-type reinforcement pre-compacted soil block 7 is formed by cohesive soil 20 pre-compacted that horizontal ring-type GSZ 19 is filled with water content preparation on request; The optimum water content that cohesive soil 20 obtains by modified compaction test adds 3 percentage points being as the criterion preparation and requirement index of plasticity greater than 17 with forming a fine and close combination between GSZ and the compacting soil block, and each interlayer of horizontal ring-type reinforcement pre-compacted soil block 7 is connected by horizontal U sprig 10; Bottom discharge structure layer is made up of bottom pervious layer 3 and bottom sewer 14; Top layer discharge structure layer is made up of sloping top pervious layer 1 and sloping top sewer 15; Pre-compacted horizontal loops bag reinforcement soil block in bottom pervious layer 3 and the sloping top pervious layer 1 by horizontal ring-type GSZ 19 filling gravelly soils 13 at the scene compacting form; The structure of bottom sewer 14 and sloping top sewer 15 is to form at the waterproof geotextiles that is laid on the ditch bottom 18 and flexible porous tube 12 back filling gravelly soils 13 and compacting; Plant loam 5 domatic having paved, plant loam 5 and be provided with top layer grass planting layer 4, on top layer grass planting layer 4, plant and be implanted with grass planting 6.
Referring to Fig. 1 and Fig. 2, horizontal ring-type reinforcement pre-compacted soil block 7 is a reinforced earth, has shear strength and the crack resistance bigger than the general soil body; Because no longer side slope field fabrication, thereby avoided construction tying up to the highway communication road; Horizontal ring-type reinforcement pre-compacted soil block is transported to the job site, and connects assembly unit, can form the reinforced earth dummy of an integral body fast, thereby reduce the construction period greatly, reduce construction influence to road traffic through GSZ, u sprig;
Referring to Fig. 1 and Fig. 2; Concrete construction process is following: remove the damaged or destroyed by flood soil body-------carrying out modified compaction test--air-dry earth material of choosing the cohesive soil earth material of selecting compacting soil block manufacturing field; And add 3 percentage points of preparations of carrying out the compacting block earth material by the optimum water content that modified compaction test obtains--GSZ is laid under the compacting block earth material carries out compaction moulding with compacting machinary (the above road roller of 18T); And with the GSZ anti-package and be pressed into soil block and form GSZ compacting soil block (degree of compaction is not less than 90%)--GSZ compacting soil block is transported to repairs the position; And with pitman will be up and down with about adjacent in twos compacting soil block is connected---tamping GSZ compacting soil block assembly unit body position behind with gravelly soil--and accomplishes whole reparations in limit portion after, plant loam and carry out grass planting domatic paving.
Claims (5)
1. pre-compacted reinforcement soil block flexible support structure; It is characterized in that: the intermediate layer is every layer and wraps up through vertical ring-type GSZ (8) by some horizontal ring-type reinforcement pre-compacted soil blocks (7); Connect by nail (9) between each soil block of horizontal ring-type reinforcement pre-compacted soil block (7); Be connected with nail (2) between vertical ring-type GSZ (8) and the horizontal ring-type reinforcement pre-compacted soil block (7), at vertical ring-type GSZ (8) two ends through pitman (17) thus connection forms a GSZ reinforcement prop; Filling gravelly soil (13) forms inboard row water layer (16) between the described horizontal ring-type reinforcement pre-compacted soil block (7) of inboard and side slope; Said horizontal ring-type reinforcement pre-compacted soil block (7) is formed by cohesive soil (20) pre-compacted that horizontal ring-type GSZ (19) is filled with water content preparation on request; Bottom discharge structure layer is made up of bottom pervious layer (3) and bottom sewer (14); Top layer discharge structure layer is made up of sloping top pervious layer (1) and sloping top sewer (15), the pre-compacted horizontal loops bag reinforcement soil block in described bottom pervious layer (3) and the described sloping top pervious layer (1) by horizontal ring-type GSZ (19) filling gravelly soil (13) at the scene compacting form.
2. pre-compacted reinforcement soil block flexible support structure according to claim 1 is characterized in that: the structure of described bottom sewer (14) and described sloping top sewer (15) is in the waterproof geotextiles (18) that is laid on the ditch bottom and flexible porous tube (12) back filling gravelly soil (13) and compacting formation.
3. pre-compacted reinforcement soil block flexible support structure according to claim 1 and 2; It is characterized in that: the optimum water content that described cohesive soil (20) obtains by modified compaction test adds 3 percentage points with can be with forming the preparation that is as the criterion of a fine and close combination between GSZ and the compacting soil block, and requires index of plasticity greater than 17.
4. pre-compacted reinforcement soil block flexible support structure according to claim 1 and 2; It is characterized in that: every layer of described horizontal ring-type reinforcement pre-compacted soil block (7) squeezed in the soil block with vertical U sprig (9) with vertical ring-type GSZ (8) and is connected, and the two ends of the vertical ring-type GSZ of levels (8) connect through pitman (17).
5. pre-compacted reinforcement soil block flexible support structure according to claim 1 and 2, it is characterized in that: each interlayer of described horizontal ring-type reinforcement pre-compacted soil block (7) is connected by horizontal U sprig (10).
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| CN201210004236.3A CN102561368B (en) | 2012-01-09 | 2012-01-09 | Pre-compacted reinforced soil block flexible supporting structure |
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| CN201210004236.3A CN102561368B (en) | 2012-01-09 | 2012-01-09 | Pre-compacted reinforced soil block flexible supporting structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421469A (en) * | 2015-11-17 | 2016-03-23 | 长沙理工大学 | Geogrid reinforcement covering wall structure and construction method thereof |
| CN107326914A (en) * | 2017-07-10 | 2017-11-07 | 长沙理工大学 | A kind of deadweight anchor curable type geogrids reinforced earth structure and its construction method |
| CN111576451A (en) * | 2020-06-11 | 2020-08-25 | 长沙理工大学 | Expansive soil cutting slope prevention and control structure and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5551809A (en) * | 1994-08-30 | 1996-09-03 | Keystone Retaining Wall Systems, Inc. | Embankment wall construction and method and block construction for making the same |
| CN1880587A (en) * | 2005-06-17 | 2006-12-20 | 长沙理工大学 | Flexible reinforced retaining structure and construction method therefor |
| CN101555693A (en) * | 2009-03-27 | 2009-10-14 | 朱海龙 | Reinforced core-enveloped structural slope protector |
| CN101851894A (en) * | 2010-07-01 | 2010-10-06 | 中国科学院地质与地球物理研究所 | Protection method for improving salt expansion or dissolution sink of salty soil |
-
2012
- 2012-01-09 CN CN201210004236.3A patent/CN102561368B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5551809A (en) * | 1994-08-30 | 1996-09-03 | Keystone Retaining Wall Systems, Inc. | Embankment wall construction and method and block construction for making the same |
| CN1880587A (en) * | 2005-06-17 | 2006-12-20 | 长沙理工大学 | Flexible reinforced retaining structure and construction method therefor |
| CN101555693A (en) * | 2009-03-27 | 2009-10-14 | 朱海龙 | Reinforced core-enveloped structural slope protector |
| CN101851894A (en) * | 2010-07-01 | 2010-10-06 | 中国科学院地质与地球物理研究所 | Protection method for improving salt expansion or dissolution sink of salty soil |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421469A (en) * | 2015-11-17 | 2016-03-23 | 长沙理工大学 | Geogrid reinforcement covering wall structure and construction method thereof |
| CN107326914A (en) * | 2017-07-10 | 2017-11-07 | 长沙理工大学 | A kind of deadweight anchor curable type geogrids reinforced earth structure and its construction method |
| CN107326914B (en) * | 2017-07-10 | 2019-12-27 | 长沙理工大学 | Dead weight anchoring type geogrid reinforced soil structure and construction method thereof |
| CN111576451A (en) * | 2020-06-11 | 2020-08-25 | 长沙理工大学 | Expansive soil cutting slope prevention and control structure and construction method thereof |
| CN111576451B (en) * | 2020-06-11 | 2022-01-07 | 长沙理工大学 | Expansive soil cutting slope prevention and control structure and construction method thereof |
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| CN102561368B (en) | 2014-08-06 |
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