CN102995646B - Net cage protection pad type revetment structure and construction method thereof - Google Patents
Net cage protection pad type revetment structure and construction method thereof Download PDFInfo
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- CN102995646B CN102995646B CN201210569379.9A CN201210569379A CN102995646B CN 102995646 B CN102995646 B CN 102995646B CN 201210569379 A CN201210569379 A CN 201210569379A CN 102995646 B CN102995646 B CN 102995646B
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Abstract
A kind of net cage protection pad type revetment structure and construction method thereof; described net cage protection pad type revetment structure is laid on the slope; successively be distributed with basic unit, permeablely lead filtering layer, net cage protection pad layer, topsoil and vegetable layer; by obtaining laying of sequentially constructing layer by layer from lower to upper; the lower bottom part of described basic unit lays jackstone spats layer at the bottom of slope; described net cage protection pad layer is that after being spread by the wire net cage adjacent flat of several outer diaphragm of resinizing, colligation forms; each wire net cage in-built enter inserts; cover capping mesh sheet above net cage, soil is filled up in the gap of described net cage protection pad layer.Complete by the permeable Novel slope protection structure led filtering layer, net cage protection pad and show that native vegetation forms by the construction method in the present invention, the object of achieve greening vegetation, preserving the ecological environment, provides cost savings, and improves efficiency, and benefit is very remarkable.City dyke can be widely used in, the protection of the precipitous bank slope in mountain rivers and creeks, field, the control of mud-rock flow, the improvement of landslide, the protection of highway, railway bed.
Description
Technical field
The present invention relates to a kind of slope retaining structure and construction method thereof.
Background technology
At present;, bank slope infiltration serious for high flow rate, erosion mainly with and the protection of the precipitous bank slope in river; the control of mud-rock flow; the improvement of landslide and the protection of highway and railway roadbed, if do not carry out processing or dealing with improperly, will cause side slope or foundation instability; this can cause serious consequence in various aspects such as economy, safety; and traditional cemented rock slope protection by masonry structure infrastructure cost is high, quality is not easily controlled, and do not have flexibility, resistance becomes ability.
Summary of the invention
The object of this invention is to provide a kind of net cage protection pad type revetment structure and construction method thereof, the technical problem of effectively control soft soil slope or foundation instability phenomenon be solved; And solve the problem reducing costs, save the duration, raise the efficiency.
For achieving the above object, the present invention adopts following technical scheme:
A kind of net cage protection pad type revetment structure, lay on the slope, described net cage protection pad type revetment structure is successively distributed with basic unit from lower to upper, permeablely lead filtering layer, net cage protection pad layer, topsoil and vegetable layer, the lower bottom part of described basic unit lays jackstone spats layer at the bottom of slope, described net cage protection pad layer is that after being spread by the wire net cage adjacent flat of several outer diaphragm of resinizing, colligation forms, each wire net cage in-built enter inserts, capping mesh sheet is covered above net cage, soil is filled up in the gap of described net cage protection pad layer, fill in a form soil layer in net cage protection pad layer top, topsoil lays vegetable layer.
Described permeable filtering layer of leading is the permeable nonweaven geotextile of one deck or sandstone pervious layer.
The net material of described net cage protection pad layer adopts mild steel wire, long 4 ~ 6 meters of each wire net cage, wide 1.5 ~ 2.5 meters, high 0.2 ~ 0.5 meter.
Described inserts is block stone, and diameter is 120 millimeters ~ 350 millimeters, and average grain diameter is 250 millimeters.
A construction method for net cage protection-pad type bank protection, construction sequence is as follows:
Step one, waits foreign material to carry out base clearly to the assorted soil of bank protection place basic unit weeds, and it is smooth to carry out by design slope ratio the side of cutting, and to coombe groove, bury the position backfill such as secretly culvert underground and fill and lead up, back filled region need be carried out back-filling in layers and be rolled.
Step 2, after basic unit is smooth, for ensureing overall domatic stability, arranges jackstone spats layer at the bottom of slope, and cut out platform at alluvial flat along absolute altitude place at the bottom of bank protection, construction layout excavation spats groove hole, then throws tankful hole by block stone, form jackstone spats.
Step 3, completes jackstone spats and the clear base of bank protection place basal plane shaping, and the setting-out of band line check and approve check and accept after qualified after, Po Ti basic unit lays and permeablely leads filtering layer.
Step 4, installs net cage protection pad layer, unit metal silk screen case is drawn close mutually also colligation firm, makes it the net cage protection pad group that joins together.
Step 5, throws in inserts in wire net cage, and inserts is block stone, and block stone diameter is 120 millimeters ~ 350 millimeters, average grain diameter 250 millimeters.
Step 6, after inserts has been thrown in, paves smooth by the block stone of wire gauze box top, is laid on above net cage, seals inserts by capping mesh sheet.
Step 7, after completing capping mesh sheet, fills up soil in net cage protection pad layer gap, and filling in a form soil layer in net cage protection pad layer top, and lays vegetable layer.
The colligation of described step 4 net cage protection pad layer is from the bight of net cage protection pad adjacent net pieces, and colligation wrings successively.
Described step 4 is installed and is adopted steel pipe feet hand skeleton to be connected and fixed large area net cage protection pad, and then integral lifting forms large area net cage protection pad layer.
Described steel pipe feet hand skeleton comprises frame steel pipe, standpipe and fastener, and described frame steel pipe is connected to four top edges of net cage protection pad group, and standpipe is connected to four longitudinal edge of net cage protection pad group, connects between each steel pipe with four bights of fastener in net cage protection pad group.
Described steel pipe feet hand skeleton also comprises bight inclined tube, and the upper end of described bight inclined tube is in four bight fasteners of net cage protection pad group and frame fastener for connection, and lower end and ground are connected and fixed.
Compared with prior art the present invention has following characteristics and beneficial effect:
Instant invention overcomes high, the inefficient shortcoming of traditional defense means cost, solve the technical problem of raising the efficiency, reducing costs, ensure simultaneously environmental greening.
The present invention adopts a kind of net cage protection pad type revetment structure, is for high flow rate, erosion is serious, bank slope infiltration mainly with and the protection of the precipitous bank slope in river, the control of mud-rock flow, the protective slope structure that the improvement of landslide and the protection of highway and railway roadbed propose leads filtering layer by permeable, the Novel slope protection structure of net cage protection pad and the native vegetation composition of table, realizes greening vegetation simultaneously, the object of preserving the ecological environment, the protective slope structure completed by the construction method proposed in the present invention is by basic unit, jackstone spats, permeablely lead filtering layer, net cage protection pad net cage, packed layer, capping mesh sheet, the overall structure that topsoil and vegetation are formed, structural integrity is strong, compressive strength is high, good endurance, easy construction, easy combined hanging, achieves module job standardization: according to design idea, can make semiproduct in factory, modular construction, job site can be assembled into multiple modular dimension, various shape net cage protection pad, standard operation degree is high, technology has strong adaptability, efficiency of construction is high, effectively can carry out side slope protection, avoid the generation of the soft soil slope after processing or foundation instability phenomenon, in addition, net cage protecting pad structure has water permeability, have stronger pardon to the operation of nature of underground water and filtration, the suspended thing in water and mud are deposited in the gap of inserts, thus are conducive to the growth of top layer vegetation, progressively recover original ecological environment, protective slope structure is constructed from bottom to top layer by layer, laying completes, and operating efficiency is high, there is not waste and loss in total, provide cost savings, economic benefit is very remarkable in resource.
The present invention can be widely used in city dyke, the protection of the precipitous bank slope in mountain rivers and creeks, field, the control of mud-rock flow, the improvement of landslide, the protection of highway, railway bed.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the mode that the is connected and fixed schematic diagram of net cage protection pad of the present invention.
Reference numeral: jackstone spats layer at the bottom of 1-basic unit, 2-slope, 3-is permeable leads filtering layer, 4-net cage protection pad layer, 5-inserts, 6-capping mesh sheet, 7-topsoil, 8-vegetable layer, 9-steel pipe feet hand skeleton, 9.1-frame steel pipe, 9.2-standpipe, 9.3-bight inclined tube, 9.4-fastener.
Detailed description of the invention
Embodiment is shown in Figure 1, a kind of net cage protection pad type revetment structure, lay on the slope, described net cage protection pad type revetment structure is successively distributed with basic unit 1 from lower to upper, permeablely lead filtering layer 3, net cage protection pad layer 4, topsoil 7 and vegetable layer 8, the lower bottom part of described basic unit 1 lays jackstone spats layer 2 at the bottom of slope, described permeable filtering layer 3 of leading is the permeable nonweaven geotextile of one deck or sandstone pervious layer, described net cage protection pad layer 4 is that after being spread by the wire net cage adjacent flat of several outer diaphragm of resinizing, colligation forms, long 5 meters of each net cage, wide 2 meters, high 0.5 meter, described net cage mesh sheet adopts mild steel wire, surface is through hot-dip coating aluminium-zinc alloy process, to resinize outward diaphragm, mesh specification is 80 millimeters × 11 millimeters.Each wire net cage in-built enter inserts 5, described inserts 5 is block stone, inserts is block stone, block stone specification quality meets designing requirement, block stone diameter is 120 millimeters ~ 350 millimeters, average grain diameter 250 millimeters, weather resistance, there is durability, and grating is good, namely in all stones, granule content in each particle size range is relatively stable, medium grain can fill oarse-grained space, granule can fill less space, bulk, can mutually fill with the building stones of fritter for middle piece, parcel, make the distribution of building stones in net cage relatively even, density is enough large, used block of stone need be qualified through experimental examination, building stones for masonry surface have a burnishing surface being used as masonry surface, after filling completes, the block stone at top is paved smooth, when the height of net cage protection pad is less than 30 centimetres, inserts once can fill up height, when 30 centimetres of < protection pad height≤50 centimetre, can feed intake at twice, once drop into the building stones of 1/2nd, after colligation tension rib, fill out the building stones of 1/2nd again.When filling completes, fill building stones end face and suitably should exceed protection pad, space can be clogged with small crushed stone, protection pad must dense solid surface is smooth to be as the criterion overall graticule mesh to be filled into, exposed filling building stones, surface should be built with artificial or machinery and be built leveling, and mutually overlap between building stones, after net cage protection pad completes, the unit weight of packing material should reach 1.70t/m
3, cover capping mesh sheet 6 above net cage, soil is filled up in the gap of described net cage protection pad layer 4, and filling in a form soil layer in net cage protection pad layer top, topsoil is laid vegetable layer 8.
A construction method for net cage protection-pad type bank protection, construction sequence is as follows:
Step one, waits foreign material to carry out base clearly to the assorted soil of bank protection place basic unit weeds, and it is smooth to carry out by design slope ratio the side of cutting, and to coombe groove, bury the position backfill such as secretly culvert underground and fill and lead up, back filled region need be carried out back-filling in layers and be rolled.
Step 2, after basic unit 1 is smooth, for ensureing overall domatic stability, arranges jackstone spats layer 2 at the bottom of slope, and cut out platform at alluvial flat along absolute altitude place at the bottom of bank protection, construction layout excavation spats groove hole, then throws tankful hole by block stone, form jackstone spats.
Step 3, completes jackstone spats and the clear base of bank protection place basal plane shaping, and the setting-out of band line check and approve check and accept after qualified after, Po Ti basic unit lays and permeablely leads filtering layer 3.
Step 4, installs net cage protection pad layer 4, unit metal silk screen case is drawn close mutually also colligation firm, makes it the net cage protection pad group that joins together.
Step 5, throws in inserts 5 in wire net cage, inserts should be simultaneously uniform to filler in each grid of one group of protection pad, forbids the disposable throwing of single graticule mesh case full, complete to ensure whole net cage protection pad layer 4 shape, after filling completes, the block stone at top is paved smooth.
Step 6, after inserts has been thrown in, paves smooth by the block stone of wire gauze box top, capping mesh sheet is opened to even up to be laid on above net cage, seals inserts.
Step 7, after completing capping mesh sheet, fill up soil in net cage protection pad layer 4 gap, about 5 centimetres of high topsoil 7 are filled out at net cage protection pad layer top, and lay vegetable layer 8, according to the characteristic of grass seeds or shrub, strengthen the late maintaining measure of vegetation and shrub.
Shown in Figure 2, the colligation of described net cage protection pad layer 4 is from the bight of net cage protection pad adjacent net pieces, colligation wrings successively, steel pipe feet hand skeleton 9 is adopted to be connected and fixed large area net cage protection pad during installation, then integral lifting, form large area net cage protection pad layer 4, described steel pipe feet hand skeleton 9 comprises frame steel pipe 9.1, standpipe 9.2, bight inclined tube 9.3 and fastener 9.4, described frame steel pipe 9.1 is connected to four top edges of net cage protection pad group, standpipe 9.2 is connected to four longitudinal edge of net cage protection pad group, connect with four bights of fastener 9.4 in net cage protection pad group between each steel pipe, the upper end of described bight inclined tube 9.3 is connected with frame steel pipe 9.1 at four bight fasteners 9.4 of net cage protection pad group, lower end is supported in ground.
Claims (2)
1. a net cage protection pad type revetment structure, lay on the slope, it is characterized in that: described net cage protection pad type revetment structure is successively distributed with basic unit (1) from lower to upper, permeablely lead filtering layer (3), net cage protection pad layer (4), topsoil (7) and vegetable layer (8), the lower bottom part of described basic unit (1) lays jackstone spats layer (2) at the bottom of slope, described net cage protection pad layer (4) is that after being spread by the wire net cage adjacent flat of several outer diaphragm of resinizing, colligation forms, each wire net cage in-built enter inserts (5), capping mesh sheet (6) is covered above net cage, soil is filled up in the gap of described net cage protection pad layer (4), fill in a form soil layer in net cage protection pad layer top, topsoil is laid vegetable layer (8),
Described permeable filtering layer (3) of leading is the permeable nonweaven geotextile of one deck or sandstone pervious layer;
The net material of described net cage protection pad layer (4) adopts mild steel wire, long 4 ~ 6 meters of each wire net cage, wide 1.5 ~ 2.5 meters, high 0.2 ~ 0.5 meter;
Described inserts (5) is block stone, and diameter is 120 millimeters ~ 350 millimeters, and average grain diameter is 250 millimeters.
2. a construction method for net cage protection-pad type bank protection, is characterized in that construction sequence is as follows:
Step one, carries out base clearly to bank protection place basic unit weeds native foreign material of mixing, and it is smooth to carry out by design slope ratio the side of cutting, and to coombe groove, bury dark culvert position backfill underground and fill and lead up, back filled region need be carried out back-filling in layers and be rolled;
Step 2, after basic unit (1) is smooth, for ensureing overall domatic stability, arranges jackstone spats layer (2) at the bottom of slope, and cut out platform at alluvial flat along absolute altitude place at the bottom of bank protection, construction layout excavation spats groove hole, then throws tankful hole by block stone, form jackstone spats;
Step 3, completes jackstone spats and the clear base of bank protection place basal plane shaping, and the setting-out of band line is checked and approved after acceptance(check), Po Ti basic unit lays permeablely lead filtering layer (3);
Step 4, installs net cage protection pad layer (4), unit metal silk screen case is drawn close mutually also colligation firm, makes it the net cage protection pad group that joins together; The colligation of net cage protection pad layer (4) is from the bight of net cage protection pad adjacent net pieces, and colligation wrings successively; Described net cage protection pad layer is installed and is adopted steel pipe feet hand skeleton (9) to be connected and fixed large area net cage protection pad, and then integral lifting installs large area net cage protection pad layer;
Step 5, throws in inserts (5) in wire net cage, and inserts is block stone, and block stone diameter is 120 millimeters ~ 350 millimeters, average grain diameter 250 millimeters;
Step 6, after inserts has been thrown in, paves smooth by the block stone of wire gauze box top, is laid on above net cage, seals inserts by capping mesh sheet;
Step 7, after completing capping mesh sheet, fills up soil in net cage protection pad layer (4) gap, and filling in a form soil layer (7) in net cage protection pad layer top, and lays vegetable layer (8);
Described steel pipe feet hand skeleton (9) comprises frame steel pipe (9.1), standpipe (9.2) and fastener (9.4), described frame steel pipe (9.1) is connected to four top edges of net cage protection pad group, standpipe (9.2) is connected to four longitudinal edge of net cage protection pad group, connects between each steel pipe with four bights of fastener (9.4) in net cage protection pad group;
Described steel pipe feet hand skeleton (9) also comprises bight inclined tube (9.3), the upper end in described bight inclined tube (9.3) is connected with frame steel pipe (9.1) with fastener (9.4) in four bights of net cage protection pad group, and lower end fastener (9.4) is connected with standpipe (9.2).
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| CN201210569379.9A CN102995646B (en) | 2012-12-25 | 2012-12-25 | Net cage protection pad type revetment structure and construction method thereof |
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| CN201210569379.9A CN102995646B (en) | 2012-12-25 | 2012-12-25 | Net cage protection pad type revetment structure and construction method thereof |
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| CN102995646B true CN102995646B (en) | 2016-01-13 |
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Families Citing this family (3)
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| CN103696403B (en) * | 2014-01-01 | 2015-10-21 | 中国科学院－水利部成都山地灾害与环境研究所 | A kind of ladder-pool structural type debris flow drainage groove and application thereof |
| CN109339074A (en) * | 2018-11-13 | 2019-02-15 | 中国科学院寒区旱区环境与工程研究所 | Basalt fibre protection pad, protection pad component and its production, construction method |
| CN110438942A (en) * | 2019-07-31 | 2019-11-12 | 江河水利水电咨询中心 | A kind of sandy soil fill protective slope structure and its construction method |
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| CN201190286Y (en) * | 2008-01-24 | 2009-02-04 | 上海勘测设计研究院 | Hydraulic engineering ecological protection slope |
| CN101818590A (en) * | 2009-02-27 | 2010-09-01 | 阳正云 | Method for building flexible structure |
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- 2012-12-25 CN CN201210569379.9A patent/CN102995646B/en active Active
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|---|---|---|---|---|
| KR100577979B1 (en) * | 2005-06-20 | 2006-05-11 | 장문석 | Revetment construction method |
| CN201190286Y (en) * | 2008-01-24 | 2009-02-04 | 上海勘测设计研究院 | Hydraulic engineering ecological protection slope |
| CN101818590A (en) * | 2009-02-27 | 2010-09-01 | 阳正云 | Method for building flexible structure |
| CN102383434A (en) * | 2010-09-03 | 2012-03-21 | 刘�文 | Net cushion for highway protecting slope |
| CN201801876U (en) * | 2010-09-21 | 2011-04-20 | 张宇顺 | Ecological wire netting gabion and slope retaining wall employing the same |
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