CN205421157U - Reinforced earth quaywall structure based on soft base of mud flat - Google Patents
Reinforced earth quaywall structure based on soft base of mud flat Download PDFInfo
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- CN205421157U CN205421157U CN201620214805.0U CN201620214805U CN205421157U CN 205421157 U CN205421157 U CN 205421157U CN 201620214805 U CN201620214805 U CN 201620214805U CN 205421157 U CN205421157 U CN 205421157U
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- cofferdam
- structure based
- beach
- soft base
- shingle nail
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Abstract
The utility model discloses a reinforced earth quaywall structure based on soft base of mud flat, including set up plastics drain bar in the weak soil, lay in the drainage bed course on weak soil surface, bagged sand by the cofferdam, be used for protection and earth -retaining prefabricated shingle nail, in advance embedded in bagged sand strained geotechnological cloth by the cap stone, bagged sand that add pile foundation, the panel top of filler material between by the cofferdam of muscle area, shingle nail and bagged sand, panel below in cofferdam by cofferdam rear counter. Above -mentioned structure is through implementing step by step, makes deformation basic completion before the construction shingle nail in soft soil foundation and cofferdam, reduces and subsides behind the worker and uniform settlement not. The construction platform of shingle nail and pile foundation can be regarded as again in the bagged sand cofferdam, becomes the intertidal zone construction and into land construction, has improved execution conditions. But the structure can adapt to the simple stage construction of bearing capacity and deformation, construction process, the saving investment of soft soil foundation.
Description
Technical field
The utility model relates to a kind of retaining wall structure, belongs to hydraulic engineering and field of civil engineering, a kind of based on the reinforced earth quaywall structure under the Soft Soil of Coastal Area.
Background technology
At China's coastal region, large stretch of available soil can be formed with making by enclosing painting, for meeting requirement of controlling flood and draining flooded fields, the hydraulic structure such as canal, detention basin that drains off floodwaters must be built in being newly formed landholding, the quaywall structure of these buildings generally selects steeper side slope, to reduce occupation of land.
Conventional structural shape has gravity type, cantilevered, buttress type, empty van formula etc..These structures are higher to ground requirement for bearing capacity, it is impossible to adapt to bigger deformation, therefore foundation bearing capacity and compressibility are had strict requirements.
Top layer, coastal tidal district is the most widely distributed the Soft Soil Layer such as mud, muck soil, this Soft Soil Layer is typically saturation state, and stream moulds shape, and water content is big, intensity is low, highly sensitive, compressibility big, bad hydraulic permeability, if it is unprocessed, it is impossible to meet the requirement of routine gear soil quaywall structure.
Piling strtucture is the effective means solving soft soil foundation.In addition to as the basis of said structure, also develop sheet pile formula, anchor rod type quaywall structure.But pile foundation need professional construction machinery, particularly Coastal Area construct, affected by tidewater fluctuation, can the activity duration short, One-Shift Costs is higher.
When quaywall uses monolithic reinforced concrete structure, the pouring quality being positioned at fluctuation of water table district is relatively difficult to ensure card.According to precast concrete unit, then need crane ship operation, can the construction operation time short.
Earth structure is relatively low to foundation requirement, preferable to deformation applicability, is a kind of promising structural shape, but for ensureing structure each unit collaborative work, it is desirable to the layered rolling that bankets.And beach area SEA LEVEL VARIATION is relatively big, water content of soil is uncontrollable, and the condition that rolls is poor, does not reaches the compactness of requirement, limits the earth structure application in Coastal Area.
In sum, must seek a kind of not only to have adapted to Soft Soil, but also adapted to the novel quaywall structure of Coastal Area execution conditions.
Summary of the invention
The utility model is for the deficiencies in the prior art, a kind of reinforced earth quaywall structure adapting to Coastal Area Soft Soil is provided, backfilling material and reinforced bands in this structural change earth structure lay mode, the globality utilizing bagged sand quilt provides the anchor force required for shingle nail, the advantage both with earth structure, eliminates again in earth structure construction and is difficult to reach the defect to backfill soil compaction degree requirement.And by reasonable arrangement sequence of construction, eliminate major part sedimentation in the construction time, improve execution conditions simultaneously, solving Coastal Area can engineering time short problem.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of reinforced earth quaywall structure based on the soft base of beach, including the plastic draining board being arranged in weak soil, be layed in the drainage blanket on weak soil surface, bagged sand by cofferdam, for protection and the dry wall panel of gear soil, be embedded in bagged sand by the reinforced bands in cofferdam, latch, shingle nail and bagged sand for connection wall panel and reinforced bands by the cap stone above the packing material between cofferdam, the pile foundation of lower panels, stake top cap beam, spats, panel and railing, bagged sand by the anti-filter geotextiles at rear, cofferdam, earth's surface sealing.
Described bagged sand by cofferdam and below drainage blanket and plastic draining board first implement, lay anti-filter geotextiles and also complete rear backfill.
Described reinforced bands be embedded in advance during sand is filled with sand by between, reinforced bands does not turns off in the side that is close to banket, continued circling at neighbouring sand by outer surface.
Between described shingle nail and pile foundation, cofferdam and shingle nail, packing material is layered enforcement after the stabilization of cofferdam again.
Described pile foundation uses mini pile, and material can be timber or concrete precast pile.Described mini pile only needs to punch Soft Soil Layer, enters hard stratum 1 ~ 2m.
Described stake top cap beam uses cast-in-situ steel reinforced concrete.
Described shingle nail uses precast concrete facade panel, uses latch to connect between panel.
Latch is used to be connected and strain between described shingle nail and reinforced bands.
Described packing material uses rubble or bagged sand to answer compaction in layers.
Described cap stone uses cast-in-place concrete, the most whether arranges railing.
Described sealing can be pavement structure or greening soil.
Described spats uses block stone.
After the utility model uses said structure, utilize bagged sand, by cofferdam deadweight, soft soil foundation is carried out precompressed, accelerate soft soil consolidation speed by plastic draining board and drainage blanket, major part sedimentation can be eliminated in the construction time.After rear has backfilled, lateral displacement also can be basically completed in the construction time.Bagged sand, by good integrity, can be the anchor force needed for shingle nail provides by being looped around bagged sand by the reinforced bands in outside, thus eliminate in earth structure construction and be difficult to reach the defect to backfill soil compaction degree requirement.Packing material can be gathered materials on the spot, and reduces Master Cost.Bagged sand can be improved execution conditions as the land construction scope of operation by cofferdam, makes shingle nail and pile foundation thereof uninterruptedly to construct.Mini pile only needs to penetrate Soft Soil Layer, therefore without large-scale construction equipment, reduces operating expenses.
The utility model is adapted to beach and makes ground engineering Soft Soil, and described structure is good to deformation adaptability, and construction technology is simple, can construct continuously, and cost saving has the most wide application prospect.
Accompanying drawing explanation
Fig. 1 shows the sectional drawing of a kind of reinforced earth quaywall structure based on the soft base of beach of the utility model；
Fig. 2 shows the elevation of a kind of reinforced earth quaywall structure based on the soft base of beach of the utility model；
Fig. 3 shows the reinforced bands floor plan of a kind of reinforced earth quaywall structure based on the soft base of beach of the utility model.
Wherein have: 1. plastic draining board；2. drainage blanket；3. bagged sand quilt；4. shingle nail；5. reinforced bands；6. packing material；7. cap stone；8. railing；9. sealing；10. spats；11. pile foundations；12. top cap beams；13. latches；14. anti-filter geotextiles；21. Soft Soil Layers；22. hard stratums；23. backfill soil.
Detailed description of the invention
With concrete better embodiment, the utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, first lay drainage blanket 2, then set plastic draining board 1, be advisable punching Soft Soil Layer 21.It is layered irrigation bagged sand again by 3, as shown in figures 1 and 3, after every layer of bagged sand is by irrigation, all lays reinforced bands 5 and from 23 sides that are close to banket around sand quilts, tentatively strain.Plastic draining board 1 forms drainage system together with drainage blanket 2, can accelerate soft soil consolidation, and bagged sand is formed loading system by 3, weak soil is carried out precompressed, gradually completes during making to be deposited in cofferdam construction.
After cofferdam is formed, lay anti-filter geotextiles 14 in the wings, then carry out rear backfill soil 23 construction.Anti-filter geotextiles 14 is possible to prevent rear backfill soil 23 to run off.
The cofferdam formed by 3 because of bagged sand is flexible structure, can bear bigger sedimentation and lateral deformation.After cofferdam deformation is basicly stable, utilize the cofferdam that bagged sand is formed by 3 as construction passage and place, carry out pile foundation 11 to construct, as depicted in figs. 1 and 2, because pile foundation 11 uses mini pile, and only need guiding through Soft Soil Layer 21 and enter hard stratum 22 about 1 ~ 2m, therefore can be selected for the small-sized sinking apparatus that ground pressure is less.Cofferdam by quaywall structure construction condition by waterborne be changed into land, considerably increase can the engineering time, the reduction of erection time, reduce operating expenses.
As depicted in figs. 1 and 2, section cast-in-place stake top cap beam 12, reserved pin hole.
As shown in Figure 1, Figure 2 and Figure 3, shingle nail 4 is installed in layering, backfills packing material 6, and is compacted with ramming machine, reinforced bands 5 and shingle nail 4 are connected, strain and fixed with latch 13.Shingle nail 4 uses precast concrete to build by laying bricks or stones, is manually operable, and decreases cast-in-place concrete amount, makes construction technology become simple, fast.
As depicted in figs. 1 and 2, backfill block stone spats 10.
Cast-in-place cap stone 7, sealing 9 of constructing, sealing can be pavement structure or greening soil.
Railing 8 is installed.
Claims (10)
1. a reinforced earth quaywall structure based on the soft base of beach, it is characterized in that: include the plastic draining board being arranged in weak soil, it is layed in the drainage blanket on weak soil surface, in the cofferdam that drainage blanket higher slice irrigation bagged sand is formed, for protection and the dry wall panel of gear soil, be embedded in bagged sand by cofferdam for anchoring the reinforced bands of shingle nail, for connection wall panel and the latch of reinforced bands, for fill shingle nail and bagged sand by cofferdam between the packing material in space, pile foundation and stake top cap beam for support panel, for panel being linked to be the cap stone of entirety, it is layed in bagged sand by cofferdam adverse grade for the anti-filter geotextiles of soil conservation.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1, it is characterised in that: described bagged sand by cofferdam and below drainage blanket and plastic draining board first implement, lay anti-filter geotextiles and also complete rear backfill.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1, it is characterised in that: described reinforced bands is embedded between sand quilt during sand is filled with in advance.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 3, it is characterised in that: described reinforced bands does not turns off in the side that is close to banket, continued circling at sand by outside.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1, it is characterised in that: between described shingle nail, pile foundation and cap, cofferdam and shingle nail, packing material is implemented after the stabilization of cofferdam again.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1 or 5, it is characterised in that: described pile foundation uses mini pile, and material can be timber or concrete precast pile.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1, it is characterised in that: described shingle nail uses precast concrete facade panel, uses latch to connect between panel.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1, it is characterised in that: should be connected by latch and strain between described shingle nail and reinforced bands.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1 or 5, it is characterised in that: described packing material uses rubble or bagged sand, answers compaction in layers.
Reinforced earth quaywall structure based on the soft base of beach the most according to claim 1, it is characterised in that: described cap stone uses cast-in-place concrete, the most whether arranges railing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620214805.0U CN205421157U (en) | 2016-03-21 | 2016-03-21 | Reinforced earth quaywall structure based on soft base of mud flat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620214805.0U CN205421157U (en) | 2016-03-21 | 2016-03-21 | Reinforced earth quaywall structure based on soft base of mud flat |
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| Publication Number | Publication Date |
|---|---|
| CN205421157U true CN205421157U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620214805.0U Expired - Fee Related CN205421157U (en) | 2016-03-21 | 2016-03-21 | Reinforced earth quaywall structure based on soft base of mud flat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804007A (en) * | 2016-03-21 | 2016-07-27 | 中交第三航务工程勘察设计院有限公司 | Reinforced soil bank wall structure based on beach soft foundation |
-
2016
- 2016-03-21 CN CN201620214805.0U patent/CN205421157U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804007A (en) * | 2016-03-21 | 2016-07-27 | 中交第三航务工程勘察设计院有限公司 | Reinforced soil bank wall structure based on beach soft foundation |
| CN105804007B (en) * | 2016-03-21 | 2018-04-17 | 中交第三航务工程勘察设计院有限公司 | A kind of reinforced earth quaywall structure based on the soft base of beach |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20200321 |