CN103485421A - Oil leakage prevention heavy load terrace structure resisting deformation of foundation - Google Patents
Oil leakage prevention heavy load terrace structure resisting deformation of foundation Download PDFInfo
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- CN103485421A CN103485421A CN201310464828.8A CN201310464828A CN103485421A CN 103485421 A CN103485421 A CN 103485421A CN 201310464828 A CN201310464828 A CN 201310464828A CN 103485421 A CN103485421 A CN 103485421A
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Abstract
The invention discloses an oil leakage prevention heavy load terrace structure resisting deformation of a foundation. The oil leakage prevention heavy load terrace structure resisting the deformation of the foundation comprises an oil leakage prevention terrace formed by a macadam cushion layer, a concrete cushion layer, a mortar layer and a reinforced concrete surface layer all of which are arranged in sequence on the rammed earth foundation. The oil leakage prevention heavy load terrace structure resisting the deformation of the foundation is characterized in that a diversion layer and an HDPE geomembrane layer are arranged between the concrete cushion layer and the mortar layer, oil discharging trenches are formed in the periphery of the structures, above the geomembrane layer, of the terrace, and the diversion layer is diversion net sheets of the geomembrane which has the vertical composite water seepage and inverted filtering functions. Compared with the prior art, the oil leakage prevention heavy load terrace structure resisting the deformation of the foundation has the advantages of being high in leakage resistance level, simple in structure, convenient to construct, short in cycle, capable of effectively avoiding leakage prevention blind spots, controlling leakage of oil contaminations and preventing the oil contaminations from contaminating water and soil under the foundation, and especially suitable for heavy load oil leakage prevention terraces with large difference deformation of the foundation.
Description
Technical field
The present invention relates to the building foundation technical field, specifically a kind of seepage-proof oil of anti-foundation deformation heavy duty floor structure.
Background technology
At present, scrapping yard is disassembled the terrace in place or the place terrace that oil leakage prevention is had relatively high expectations, and generally all adopts the grease proofing construction method of the grease proofing separation layer combination of rigidity watertight facing and rigidity.This job practices is established the grease proofing concrete pavement of rigidity at terrace surface, according to greasy dirt amount and classification, under surface layer, by grease proofing separation layer being set and two kinds of structures of anti-oil reservoir not being set, constructs respectively.Its oily separation layer construction in the air, only depend on the grease proofing pea gravel concreten surface layer of one deck to prevent the greasy dirt seepage, so only be suitable for less demanding general grease proofing terrace.The oily separation layer of setting up defences is constructed, to increase the separation layer of one deck oil leakage prevention under grease proofing pea gravel concreten surface layer, insolated layer materials generally adopts polyurethane coating or polymer cement mortar etc., and this job practices is applicable to often be subject to machine oil or the direct acting ground of diesel oil.Due to the impact that is subject to the ground relative settlement, grease proofing concrete floor surface layer ftractures unavoidably, and the grease proofing separation layer of polyurethane or polymer mortar coating class, plastic deformation ability is poor generally, is difficult to adapt to larger ground differential deformation.
Existing oil leakage prevention terrace technology, for 3t/m
2oil-tight terrace under above local function, when poor, the foundation settlement of foundation soil soil property is larger under terrace, be difficult to meet the requirement of environmental administration to oil leakage prevention.Especially adopting polyurethane coating is grease proofing separation layer, its brushing quality is wayward, common because the bonding between coating and bed course is bad or inhomogeneous, the not in place breakthrough that produces of local brushing in construction, and the intermittent phase that each brushing need to be certain, construction period is long.
Summary of the invention
The seepage-proof oil heavy duty floor structure that the objective of the invention is a kind of anti-foundation deformation of designing for the deficiencies in the prior art, the three road leakage preventing structures that adopt the oil-proof concrete surface layer to combine with guide layer and geomembrane, the greasy dirt that this floor structure gets off first oil-proof concrete surface layer seepage, leakage preventing structure by the second guide layer drains into unified the collection and discharge in the oil impregnate trench, then with geomembrane Wei tri-road leakage preventing structures, greasy dirt and the place water and soil permanent sequestration of effectively the guide layer seepage being got off, thereby guarantee that greasy dirt does not produce and pollutes the water and soil under ground, simple in structure, short construction period, seepage-proof oil is effective, plastic deformation ability is strong, especially adapt to the large and heavily loaded seepage-proof oil terrace of ground differential deformation.
The technical scheme that realizes the object of the invention is: a kind of seepage-proof oil heavy duty floor structure of anti-foundation deformation, comprise on the ground by rammed earth and set gradually the seepage-proof oil terrace that hardcore bed, concrete cushion, screed and oil resistant steel concrete surface layer form, seepage-proof oil terrace surrounding is provided with the oil extraction trench, is characterized between described concrete cushion and screed being provided with composite flowing layer and geotechnological rete; High density polyethylene (HDPE) (HDPE) film that described geotechnological rete is thickness >=1.5mm; The flow-guiding screen sheet of the geomembrane that described composite flowing layer is upper and lower compound water seepage and reverse filter effect, its flow-guiding screen sheet is three-dimensional drainage channel structure, three-dimensional drainage channel is flowed to the oil extraction trench by oil impregnate; Described oil extraction trench is arranged on the terrace surrounding of the above structure of geotechnological rete and overlaps with composite flowing layer and geotechnological rete.
The iron hydroxide of fusion 1.5% cement weight in the wood molasses of the ferric trichloride that described reinforcing bar oil-proof concrete surface layer is fusion 1.5% cement weight in concrete, the alum of 10% ferric trichloride weight and 0.15% cement weight or concrete, its surface thickness >=150mm.
The present invention compared with prior art has triple antiseepage oil reservoir structures, improved the anti-leakage grade of greasy dirt, simple in structure, construct convenient, fast, greatly shorten construction period, and the geomembrane of HDPE material can adapt to base distortion significantly, impermeability is strong, Tensile strength is high, flexible, anti-aging and corrosion resistance and good, seam crossing is that seamless welding connects, thereby the ability that adapts to foundation deformation is strong, can effectively avoid the antiseepage blind spot and control the greasy dirt seepage, by greasy dirt and place water and soil permanent sequestration, thereby guarantee that greasy dirt does not produce and pollutes the water and soil under ground.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is Fig. 1 top view.
The specific embodiment
Consult accompanying drawing 1 ~ accompanying drawing 2, set gradually triple seepage-proof oil terraces that hardcore bed 6, concrete cushion 5, geotechnological rete 4, composite flowing layer 3, screed 2 and oil resistant steel concrete surface layer 1 form on the ground 7 of the present invention by rammed earth, seepage-proof oil terrace surrounding is provided with oil extraction trench 8.Be provided with composite flowing layer 3 and geotechnological rete 4 between described concrete cushion 5 and screed 2; The flow-guiding screen sheet of the geomembrane that described composite flowing layer 3 is upper and lower compound water seepage and reverse filter effect, its flow-guiding screen sheet is three-dimensional drainage channel structure, three-dimensional drainage channel is flowed to oil extraction trench 8 by oil impregnate; Described oil extraction trench 8 is arranged on the terrace surrounding of geotechnological rete 4 above structures and overlaps with composite flowing layer 3 and geotechnological rete 4.
The present invention is construction like this: according to Geological condition, ground 7 under terrace is tamped to processing, then lay hardcore bed 6, and layered rolling is closely knit, packing coefficient is not less than 0.94, and the concrete cushion 5 of then constructing keeps the smooth of mat surface, when concrete cushion 5 intensity reach 70% when above, start to construct successively geotechnological rete 4 and composite flowing layer 3.Composite flowing layer 3 adopts the flow-guiding screen sheet of the HDPE plastics with three-dimensional drainage channel structure, the hot sticky compound geotextiles with infiltration and reverse filter effect in its flow-guiding screen sheet two sides, geotechnique's rete 4 adopts high density polyethylene (HDPE) (HDPE) film of thickness >=1.5mm, and the construction of composite flowing layer 3 must just can be carried out after the geotechnological rete 4 of HDPE has been constructed acceptance(check).During for fear of 1 construction of oil resistant steel concrete surface layer, the laying of reinforcing bar causes the damage to composite flowing layer 3; one deck intensity is set on composite flowing layer 3 and is not less than the topping of the screed 2 of M10 as composite flowing layer 3; treat that mortar reaches intensity; finally construct oil extraction trench 8 and oil resistant steel concrete surface layer 1; oil extraction trench 8 is arranged on the above terrace surrounding of geotechnological rete 4 decks, and the geotechnological rete 4 of HDPE and composite flowing layer 3 all should snap in oil extraction trench 8.The iron hydroxide of fusion 1.5% cement weight in the wood molasses of the ferric trichloride that described oil-proof concrete surface layer 1 is fusion 1.5% cement weight in concrete, the alum of 10% ferric trichloride weight and 0.15% cement weight or concrete, its surface thickness >=150mm, the drainage grade of oil-proof concrete surface layer 1 is more than 1%, should be with smashing with light during construction, and guarantee the minimal design gradient of terrace surface.Geotechnique's rete 4 adopts the HDPE material can adapt to base distortion significantly, and, by the multiple tracks seepage control measure of oil resistant steel concrete surface layer 1 and composite flowing layer 3, can effectively control the greasy dirt seepage.
The present invention in use, the greasy dirt that operation produces flows into the oil extraction trench 8 of surrounding by the drainage grade of the oil resistant steel concrete surface layer 1 of first anti-oil structure layer, composite flowing layer 3 is as second anti-oil structure layer, the solid-state dope anti-filter that Local Cracking due to surface layer and facing expansion joint etc. can be located in greasy dirt that seepage gets off is retained on the geotextiles of composite flowing layer 3, the liquid profit passes through geotextiles seepage flow to the geotechnological rete 4 of HDPE material, and natural water conservancy diversion unifies to collect discharge in oil extraction trench 8.The geotechnological rete 4 Wei tri-road anti-oil structure layers of HDPE material, there is impermeability strong, the characteristics that tensile strength is high, a small amount of oily water and place water and soil that the geotechnological rete 4 of HDPE material gets off composite flowing layer 3 seepages are reliably isolated, and be discharged in the oil extraction trench 8 around terrace, thereby can guarantee that greasy dirt does not produce and pollutes the water and soil under ground.
More than just the present invention is further illustrated, and not in order to limit this patent, all is the present invention's equivalence enforcement, within all should being contained in the claim scope of this patent.
Claims (2)
1. the seepage-proof oil of anti-foundation deformation heavy duty floor structure, comprise on the ground by rammed earth and set gradually the seepage-proof oil terrace that hardcore bed, concrete cushion, screed and oil resistant steel concrete surface layer form, seepage-proof oil terrace surrounding is provided with the oil extraction trench, it is characterized in that between described concrete cushion and screed being provided with composite flowing layer and geotechnological rete; The density polyethylene film with high that described geotechnological rete is thickness >=1.5mm; The flow-guiding screen sheet of the geomembrane that described composite flowing layer is upper and lower compound water seepage and reverse filter effect, its flow-guiding screen sheet is three-dimensional drainage channel structure, three-dimensional drainage channel is flowed to the oil extraction trench by oil impregnate; Described oil extraction trench is arranged on the terrace surrounding of the above structure of geotechnological rete and overlaps with composite flowing layer and geotechnological rete.
2. the seepage-proof oil of anti-foundation deformation heavy duty floor structure according to claim 1, the iron hydroxide that it is characterized in that fusion 1.5% cement weight in the wood molasses of the alum of ferric trichloride that described oil resistant steel concrete surface layer is fusion 1.5% cement weight in concrete, 10% ferric trichloride weight and 0.15% cement weight or concrete, its surface thickness >=150mm.
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| CN201310464828.8A CN103485421B (en) | 2013-10-09 | 2013-10-09 | Oil leakage prevention heavy load terrace structure resisting deformation of foundation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460863A (en) * | 2017-07-21 | 2017-12-12 | 中铁二院工程集团有限责任公司 | A kind of high-strength compound geotextiles reinforced suitable for Karst Subgrade |
| CN109371780A (en) * | 2018-11-23 | 2019-02-22 | 福建乐动体育场材料有限公司 | A kind of luminous plastic runway |
| CN110029797A (en) * | 2018-04-18 | 2019-07-19 | 沈阳铝镁设计研究院有限公司 | A kind of standing procedure of hazardous waste interim storage warehouse floor |
| CN111851939A (en) * | 2020-07-21 | 2020-10-30 | 天津华星智慧科技有限公司 | Oil-seepage-preventing ground structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107460863A (en) * | 2017-07-21 | 2017-12-12 | 中铁二院工程集团有限责任公司 | A kind of high-strength compound geotextiles reinforced suitable for Karst Subgrade |
| CN110029797A (en) * | 2018-04-18 | 2019-07-19 | 沈阳铝镁设计研究院有限公司 | A kind of standing procedure of hazardous waste interim storage warehouse floor |
| CN109371780A (en) * | 2018-11-23 | 2019-02-22 | 福建乐动体育场材料有限公司 | A kind of luminous plastic runway |
| CN109371780B (en) * | 2018-11-23 | 2021-10-08 | 福建乐动体育场材料有限公司 | Noctilucent plastic track |
| CN111851939A (en) * | 2020-07-21 | 2020-10-30 | 天津华星智慧科技有限公司 | Oil-seepage-preventing ground structure and construction method thereof |
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| CN103485421B (en) | 2015-07-01 |
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