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CN208251134U - A kind of foundation structure of acid-resistance infiltration - Google Patents

A kind of foundation structure of acid-resistance infiltration Download PDF

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Publication number
CN208251134U
CN208251134U CN201820500998.5U CN201820500998U CN208251134U CN 208251134 U CN208251134 U CN 208251134U CN 201820500998 U CN201820500998 U CN 201820500998U CN 208251134 U CN208251134 U CN 208251134U
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layer
acid
foundation structure
terrace
earthen backfill
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CN201820500998.5U
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董明吉
楼松
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HANGZHOU HANGYANG CHEMICAL AND PHARMACEUTICAL ENGINEERING CO LTD
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HANGZHOU HANGYANG CHEMICAL AND PHARMACEUTICAL ENGINEERING CO LTD
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Abstract

The utility model belongs to construction engineering technical field, and in particular to a kind of foundation structure of acid-resistance infiltration.The foundation structure of the acid-resistance infiltration, including ground layer, surface duct is equipped in the ground layer, plain earthen backfill layer, natural aggregate layer, terrace base bed course, terrace substrate concrete layer, anti-corrosion separation layer and surface layer are successively equipped on ground layer from bottom to up, plain earthen backfill layer is laid immediately on ground layer, surface duct is compacted, natural aggregate layer is laid on plain earthen backfill layer, and reinforced mesh is equipped in the terrace substrate concrete layer.The utility model is using lime dirt as anti-corrosion separation layer, structure is simple, and construction method is simply, conveniently, the foundation structure constructed by the utility model, long service life, and it can check, find in time in use process, it is repaired, low cost is quick, it can be seeped under the reduction acid solution of high degree, polluted underground water, corrosion underground foundation.

Description

A kind of foundation structure of acid-resistance infiltration
Technical field
The utility model belongs to construction engineering technical field, and in particular to a kind of foundation structure of acid-resistance infiltration.
Background technique
It is frequently encountered in industrial building, Workshop Production environment is under acid condition, simultaneously because in production process The run, drip, leak of raw material, and acid medium is caused to penetrate into underground from the gap of terrace surface, it can draw under long-term erosion The destruction for playing building foundation and ground, threaten industrial building using safe and service life, therefore, foundation structure is carried out Processing, adapts it to the liquid environments such as acidity, it appears excellent is important.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide be related to a kind of acid-resistance infiltration Saturating foundation structure, it can effectively improve the quality of foundation structure, reduce the workload and cost repaired during terrace.
A kind of foundation structure of acid-resistance infiltration, including ground layer, the ground layer is interior to be equipped with surface duct, It is characterized in that on ground layer successively mixed equipped with plain earthen backfill layer, natural aggregate layer, terrace base bed course, terrace base from bottom to up Solidifying soil layer, anti-corrosion separation layer and surface layer, plain earthen backfill layer are laid immediately on ground layer, surface duct are compacted, natural aggregate Layer is laid on plain earthen backfill layer, and reinforced mesh is equipped in the terrace substrate concrete layer.
The foundation structure of a kind of acid-resistance infiltration, it is characterised in that plain earthen backfill layer is by plain fill back-filling in layers pressure In fact obtain, every laminin fill stratum with a thickness of 200-300mm.
The foundation structure of a kind of acid-resistance infiltration, it is characterised in that the surface layer is granite slab surface layer or acidproof Brick surface layer, with a thickness of 30-50mm.
The foundation structure of a kind of acid-resistance infiltration, it is characterised in that natural aggregate layer is with a thickness of 300-500mm.
The construction method of the foundation structure of the acid-resistance infiltration, it is characterised in that include the following steps:
1) surface duct foundation pit is excavated in ground layer by design requirement, surface duct is laid on foundation pit;
2) plain fill is backfilled on ground layer and is compacted, and surface duct is covered, plain earthen backfill layer is obtained;
3) after the plain earthen backfill layer construction of step 2, backfill load test is carried out, until bearing capacity is not less than 100Kpa substantially increases its bearing capacity, guarantees that ground would not settle, ground will not cracking;
4) after the bearing capacity of plain earthen backfill layer reaches requirement, constructing above plain earthen backfill layer natural aggregate and is compacted, and is obtained To natural aggregate layer, sandstone volume ratio is 2-4:6-8 in natural aggregate, and stone partial size is not more than 50mm;
5) it is laid on natural aggregate layer using C20 plain concrete, laying depth 90-110mm, preferably 100 mm, Obtain terrace base bed course;
6) terrace base layer template is installed on the terrace base bed course of step 5), binds terrace base reinforced mesh, is used C30 casting and compacting of concrete is poured with a thickness of 120-200, obtains terrace substrate concrete layer, to the layer initial set of terrace substrate concrete Afterwards, it is smoothed out on its surface using the polymer cement mortar of 20% cement weight;
7) on polymer cement mortar be laid with volume ratio be 1:9~4:6 quick lime and earth mixtures obtain anti-corrosion every Absciss layer, with a thickness of 20-30mm;
8) it is laid with 30-50mm granite slab or 30-65mm acidproof brick above anti-corrosion separation layer, obtains surface layer.
The construction method of the foundation structure of the acid-resistance infiltration, it is characterised in that the plain fill in step 2, which uses, to be divided Layer backfill, every thickness degree are no more than 300mm, and compacting factor is not less than 0.94.
The construction method of the foundation structure of the acid-resistance infiltration, it is characterised in that back-filling in layers uses 3-5 layers.
The construction method of the foundation structure of the described acid-resistance infiltration, it is characterised in that natural aggregate layer in step 4) With a thickness of 300-500mm, compacting factor is not less than 0.94.
The construction method of the foundation structure of the acid-resistance infiltration, it is characterised in that 20% cement weight in step 6) Polymer cement mortar with a thickness of 28-32mm, preferably 30mm.
By using above-mentioned technology, compared with prior art, the beneficial effects of the utility model are as follows:
1) the utility model uses lime dirt as anti-corrosion separation layer, due to the lime category in lime dirt It is sour at this time when acid solution is after brickwork joint flows into acidproof brick bottom and destroys the cement mortar binder course of acidproof brick bottom in alkaline matter What liquid contacted is the proportion dirt of substrate surface, and with the lime in proportion dirt acid-base neutralization reaction can occur for acid solution, when acidproof After the lime of brick bottom is neutralized by large area, acidproof face brick bottom cushion lime has cavitation and generates, between brick It can lead to the sign for having loosening due to the hole of bottom cushion, one on inspection, can find and repair in time;When reparation, only It needs to carry out secondary change to cushion lime to fill out, re-lays terrace concrete base layer without large area, rehabilitation cost is low;
2) the utility model structure is simple, and construction method is simply, conveniently, the ground constructed by the utility model Based structures, long service life, and can check, find in time in use process, it is repaired, low cost, it is quick, It can be seeped under the reduction acid solution of high degree, polluted underground water, corrosion underground foundation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The method and effect of the utility model are further illustrated with reference to the accompanying drawing
As shown in Figure 1, the foundation structure that a kind of acid-resistance of the utility model is permeated, including ground layer 1, the ground layer It is equipped with surface duct 2 in 1, is successively equipped with plain earthen backfill layer 3, natural aggregate layer 4, terrace base pad from bottom to up on ground layer 1 Layer 5, terrace substrate concrete layer 6, anti-corrosion separation layer 7 and surface layer 8, plain earthen backfill layer 3 is laid immediately on ground layer 1, by ground Facial canal road 2 is compacted, and natural aggregate layer 4 is laid on plain earthen backfill layer 3, is equipped with steel mesh in the terrace substrate concrete layer 6 Piece.
As shown, the plain earthen backfill layer 3 of the utility model is compacted obtain by plain fill back-filling in layers, every laminin fill stratum With a thickness of 200-300mm;Surface layer 8 is laid with using with a thickness of the granite slab or acidproof brick of 30-50mm;Natural aggregate layer 4 is thick Degree is 300-500mm.
As shown, the construction method of the foundation structure of acid-resistance infiltration described in the utility model, includes the following steps:
1) 2 foundation pit of surface duct is excavated in ground layer 1 by design requirement, surface duct 2 is laid on foundation pit;
2) plain fill is backfilled on ground layer 1 and is compacted, and surface duct 2 is covered, plain earthen backfill layer 3, plain fill are obtained Using back-filling in layers, every thickness degree is no more than 300mm, and layering backfills depth after excavating according to pipeline to determine, it is proposed that divides 3 ~ 5 layers;
3) after plain earthen backfill layer 3 construction of step 2, backfill load test is carried out, until bearing capacity is not less than 100Kpa, the higher the better for bearing capacity, and the bearing capacity of higher soil is stronger, and ground would not settle, and ground would not crack;
4) after the bearing capacity of plain earthen backfill layer 3 reaches requirement, constructing above plain earthen backfill layer 3 natural aggregate and is compacted, Natural aggregate layer 4 is obtained, sandstone volume ratio is 2-4:6-8 in natural aggregate, and stone partial size is not more than 50mm, natural aggregate layer 4 With a thickness of 300-500mm, compacting factor is not less than 0.94;
5) it is laid on natural aggregate layer 4 using C20 plain concrete, laying depth 90-110mm, preferably 100 mm, Obtain terrace base bed course 5;
6) terrace base layer template is installed on the terrace base bed course 5 of step 5, binds terrace base reinforced mesh, is used C30 casting and compacting of concrete is poured with a thickness of 120-200, obtains terrace substrate concrete layer 6, to 6 initial set of terrace substrate concrete layer Afterwards, it is smoothed out on its surface using the polymer cement mortar of 20% cement weight, the polymer cement mortar of 20% cement weight With a thickness of 28-32mm, preferably 30mm;
7) on polymer cement mortar be laid with volume ratio be 1:9~4:6 quick lime and earth mixtures obtain anti-corrosion every Absciss layer 7, with a thickness of 20-30mm;
8) it is laid with 30-50mm granite slab or 30-65mm acidproof brick above anti-corrosion separation layer 7, obtains surface layer 8.
9. the construction method of the foundation structure of acid-resistance infiltration according to claim 5, it is characterised in that step 6 In 20% cement weight polymer cement mortar with a thickness of 28-32mm, preferably 30mm.
The operating process of embodiment:
Specific practice (from bottom to top) is as follows: step 1: ground line comprehensive pipeline is laid with;Step 2: plain fill is layered back Reality is tamped, every thickness degree is no more than 300mm, and compacting factor is not less than 0.94;Step 3: backfill load test, general to require Bearing capacity is not less than 100Kpa;Step 4: 300 ~ 500mm thickness natural aggregate back-filling in layers is constructed, sand fraction in natural aggregate General 3:7, stone partial size are not more than 50mm, and compacting factor is not less than 0.94;Step 5: 100 thickness C20 flooring base bed courses are spread If;Step 6: terrace base layer template is installed;Step 7: terrace base reinforced mesh is bound;Step 8: about 120 ~ 200 thick terraces Base's C30 casting and compacting of concrete and surface are mixed 20% cement weight polymer cement mortar using 30mm thickness and are smoothed out;Step 9: lime Proportion dirt (volume ratio 1:9~4:6 of quick lime and soil, is adjusted according to the corrosive grade in actual production process, Corrosive grade uses by force at high proportion) bed course 20 ~ 30 is thick;Step 10: being laid with 30 ~ 50mm granite slab or 30 ~ 65mm acidproof brick Surface layer.
1 acetic acid factory of embodiment, acetic synthesis workshop, main corrosion substance are spirit of vinegar, and basement process is using element soil Be backfilling and compacted → backfill load test → nothing gathers materials and backfills construction → blinding layer and be laid with 100 thickness C20 plain concretes → basis Reinforced mesh binding → installation template → casting and compacting of concrete → lime dirt (the volume ratio 4:6 of lime and soil) bed course 30 Thickness → laying acidproof brick surface layer.
2 aceticanhydride factory of embodiment, aceticanhydride synthesize workshop, and main corrosion substance is aceticanhydride, and basement process is returned using element soil It tamps reality → backfill load test → nothing and gathers materials and backfill construction → blinding layer and be laid with 100 thickness C20 plain concretes → basis steel Muscle mesh sheet binding → installation template → casting and compacting of concrete → lime dirt (the volume ratio 3:7 of lime and soil) bed course 20 is thick → it is laid with granite surface.
3 nitric acid plants of embodiment, nitric acid synthesize workshop, and main corrosion substance is nitric acid, and basement process is returned using element soil It tamps reality → backfill load test → nothing and gathers materials and backfill construction → blinding layer and be laid with 100 thickness C15 plain concretes → basis steel Muscle mesh sheet binding → installation template → casting and compacting of concrete → lime dirt (the volume ratio 4:6 of lime and soil) bed course 30 is thick → it is laid with acidproof brick surface layer.
4 ammonium nitrate factory of embodiment, ammonium nitrate synthesize workshop, and main corrosion substance is ammonium salt, and basement process is adopted Gathered materials with plain earthen backfill compacting → backfill load test → nothing and backfills construction → blinding layer 100 thickness C15 plain concretes of laying → reinforcement foundation mesh sheet binding → installation template → casting and compacting of concrete → lime dirt (the volume ratio 2:8 of lime and soil) 30 thickness of bed course → laying acidproof brick surface layer.
5 lead-acid accumulator factory of embodiment, lead acid battery charge workshop, main corrosion substance are dilute sulfuric acid, ground Processing is gathered materials using plain earthen backfill compacting → backfill load test → nothing backfills 100 thickness C15 element of construction → blinding layer laying Concrete → reinforcement foundation mesh sheet binding → installation template → casting and compacting of concrete → lime dirt (the volume ratio of lime and soil Example 2:8) 20 thickness of bed course → laying granite surface.

Claims (4)

1. a kind of foundation structure of acid-resistance infiltration, including ground layer (1), the ground layer (1) is interior to be equipped with surface duct (2), It is characterized in that plain earthen backfill layer (3), natural aggregate layer (4), terrace base bed course are successively equipped on ground layer (1) from bottom to up (5), terrace substrate concrete layer (6), anti-corrosion separation layer (7) and surface layer (8), plain earthen backfill layer (3) are laid immediately on ground layer (1) on, surface duct (2) are compacted, natural aggregate layer (4) is laid on plain earthen backfill layer (3), the terrace substrate concrete Reinforced mesh is equipped in layer (6).
2. a kind of foundation structure of acid-resistance infiltration according to claim 1, it is characterised in that plain earthen backfill layer (3) is by element Back-filling in layers of banketing is compacted obtain, every laminin fill stratum with a thickness of 200-300mm.
3. a kind of foundation structure of acid-resistance infiltration according to claim 1, it is characterised in that the surface layer (8) is flower hilllock Slabstone surface layer or acidproof brick surface layer, with a thickness of 30-50mm.
4. a kind of foundation structure of acid-resistance infiltration according to claim 1, it is characterised in that natural aggregate layer (4) thickness For 300-500mm.
CN201820500998.5U 2018-04-10 2018-04-10 A kind of foundation structure of acid-resistance infiltration Active CN208251134U (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108589758A (en) * 2018-04-10 2018-09-28 杭州杭氧化医工程有限公司 A kind of foundation structure and construction method of acid-resistance infiltration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108589758A (en) * 2018-04-10 2018-09-28 杭州杭氧化医工程有限公司 A kind of foundation structure and construction method of acid-resistance infiltration

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