CN102995646A - 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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- CN102995646A CN102995646A CN2012105693799A CN201210569379A CN102995646A CN 102995646 A CN102995646 A CN 102995646A CN 2012105693799 A CN2012105693799 A CN 2012105693799A CN 201210569379 A CN201210569379 A CN 201210569379A CN 102995646 A CN102995646 A CN 102995646A
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Abstract
The invention relates to a net cage protection pad type revetment structure and a construction method thereof, wherein the net cage protection pad type revetment structure is paved on an inclined slope; a base layer, a permeable guide filter layer, a net cage protection pad layer, a surface soil layer and a vegetable layer are distributed layer by layer, and are constructed and paved layer by layer from lower to upper in sequence; a revetment rock banket layer is paved at the lower bottom of the base layer; the net cage protection pad layer is formed by adjacently paving and binding a plurality of metal wire net cages with resin protection films coated outside; each metal wire net cage is filled with packing material; a gland mesh is covered on the net cage; and the gaps of the net cage protection pad layer are filled with soil. According to the construction method disclosed by the invention, the novel revetment structure consisting of the permeable guide filter layer, net cage protection pads and surface soil plant cover is finished, and the purposes of plant cover greening and ecological environment protection are achieved, so that the cost is saved, the efficiency is improved, and the beneficial result is very obvious. The net cage protection pad type revetment structure can be widely applied to urban dikes, protection of steep bank slopes in huge mountains and rivers in the countryside, prevention and control of debris flows, control and management of landslide and protection of roads and railway beds.
Description
Technical field
The present invention relates to a kind of slope retaining structure and job practices 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 protection of the improvement of landslide and highway and railway roadbed if do not process or deal 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 difficult for controlling, and does not have flexibility, and resistance becomes ability.
Summary of the invention
The purpose of this invention is to provide a kind of net cage protection-pad type protective slope structure and job practices thereof, solve the technical problem of effective control soft soil slope or foundation instability phenomenon; And the problem that solves the reduction cost, saves the duration, raises the efficiency.
For achieving the above object, the present invention adopts following technical scheme:
A kind of net cage protection-pad type protective slope structure; lay on the slope; described net cage protection-pad type protective slope structure successively is distributed with basic unit from lower to upper; the permeable filtering layer of leading; net cage protection pad layer; topsoil and vegetable layer; the lower bottom part of described basic unit is laid slope end jackstone spats layer; described net cage protection pad layer is to be formed by colligation behind the wire net cage adjacent flat shop of several outer diaphragms of resinizing; each wire net cage is in-built to enter inserts; cover capping net sheet above the net cage; soil is filled up in the gap of described net cage protection pad layer; the net cage protection pad layer top soil layer of filling in a form is laid vegetable layer on the topsoil.
The 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, and long 4～6 meters of each wire net cage is wide 1.5～2.5 meters, high 0.2～0.5 meter.
Described inserts is piece stone, and diameter is 120 millimeters～350 millimeters, and average grain diameter is 250 millimeters.
A kind of job practices of net cage protection-pad type bank protection, construction sequence is as follows:
Step 1 waits foreign material to carry out clearly base to the assorted soil of bank protection place basic unit weeds, and more smooth than the side of cutting by the design slope, and to the coombe groove, bury the position such as dark culvert underground and will fill and lead up with backfill, the back filled region need be carried out back-filling in layers and be rolled.
After step 6, inserts are thrown in and to be finished, the piece stone of wire gauze box top is paved smooth, capping net sheet is laid on above the net cage, seal inserts.
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 tracts of land net cage protection pad, and then integral lifting forms large tracts of land 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 with four bights of fastener in net cage protection pad group between each steel pipe.
Described steel pipe feet hand skeleton also comprises the bight inclined tube, and the upper end of described bight inclined tube is connected with the frame steel pipe with fastener in four bights of net cage protection pad group, and lower end and ground are connected and fixed.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention has overcome that traditional preventive means cost is high, inefficient shortcoming, has solved and has raised the efficiency, reduces cost, guaranteed the technical problem of environmental greening simultaneously.
The present invention adopts a kind of net cage protection-pad type protective slope structure; for high flow rate; erosion is serious; the bank slope infiltration is mainly with the protection that reaches the precipitous bank slope in river; the control of mud-rock flow; the protective slope structure that the protection of the improvement of landslide and highway and railway roadbed proposes; by the permeable filtering layer of leading; the novel protective slope structure that net cage protection pad and the native vegetation of table form; realize simultaneously greening vegetation; the purpose of preserving the ecological environment; the protective slope structure of finishing by the job practices that proposes among the present invention is by basic unit; the jackstone spats; the permeable filtering layer of leading; net cage protection pad net cage; packed layer; capping net sheet; the overall structure that topsoil and vegetation form; structural integrity is strong; compressive strength is high; good endurance; easy construction; easy combined hanging; realized the module job standardization: can be according to design idea; make semiproduct in the factory; modular construction; the job site can be assembled into multiple modular dimension; various shape net cage protection pads; the standard operation degree is high; technology has strong adaptability; efficiency of construction is high; can effectively carry out side slope protection; the generation of the soft soil slope after avoiding processing or foundation instability phenomenon; in addition; the net cage protecting pad structure has water permeability; operation of nature and filtration to underground water have stronger pardon; in the slit that suspended thing in the water and mud are deposited in inserts; thereby be conducive to the growth of top layer vegetation; progressively recover original ecological environment; protective slope structure is layer by layer construction from bottom to top; laying is finished; high efficiency; total does not exist waste and loss on resource; provide cost savings, economic benefit is very remarkable.
The present invention can be widely used in the city dyke, the protection of the precipitous bank slope in open-air mountain rivers and creeks, the control of mud-rock flow, the improvement of landslide, the protection of highway, railway bed.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
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: 1-basic unit, 2-slope end jackstone spats layer, permeable filtering layer, 4-net cage protection pad layer, 5-inserts, 6-capping net 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, the 9.4-fastener of leading of 3-.
The specific embodiment
Embodiment is referring to shown in Figure 1; a kind of net cage protection-pad type protective slope structure; lay on the slope; described net cage protection-pad type protective slope structure successively is distributed with basic unit 1 from lower to upper; the permeable filtering layer 3 of leading; net cage protection pad layer 4; topsoil 7 and vegetable layer 8; the lower bottom part of described basic unit 1 is laid slope end jackstone spats layer 2; the 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 to be formed by colligation behind the wire net cage adjacent flat shop of several outer diaphragms of resinizing; long 5 meters of each net cage; wide 2 meters; high 0.5 meter; described net cage net sheet adopts mild steel wire; process through hot-dip coating aluminium-zinc alloy on the surface, the diaphragm of resinizing outward, and the mesh specification is 80 millimeters * 11 millimeters.Each wire net cage is in-built to enter inserts 5, described inserts 5 is piece stone, inserts is piece stone, piece stone specification quality meets designing requirement, piece stone diameter is 120 millimeters～350 millimeters, 250 millimeters of average grain diameters, weather resistance, has durability, and grating is good, namely in all stones, the granule content in each particle size range is relatively stable, and medium grain can be filled oarse-grained space, granule can be filled less space, bulk, the middle block of building stones with fritter can be filled mutually, parcel, so that the distribution of building stones is relatively even in the net cage, density is enough large, used block of stone need be qualified through experimental examination, the building stones that are used for the masonry surface have one as the burnishing surface on masonry surface, after filling is finished, pave the piece stone at top smooth, when the height of net cage protection pad less than 30 centimetres, inserts can once fill up height; When 30 centimetres＜protection pad height≤50 centimetres, can feed intake at twice, once drop into 1/2nd building stones, fill out again 1/2nd building stones behind the colligation tension rib.When filling is finished, fill the building stones end face and should suitably exceed protection pad, the space can be clogged with small crushed stone, protection pad must dense solid surface is smooth to be as the criterion whole graticule mesh to be filled into, exposed filling building stones, the surface should be built with artificial or machinery and be built leveling, mutual overlap joint between building stones, and the unit weight of packing material should reach 1.70t/m after the net cage protection pad was finished
3, covering capping net sheet 6 above the net cage, soil is filled up in the gap of described net cage protection pad layer 4, and the net cage protection pad layer top soil layer of filling in a form is laid vegetable layer 8 on the topsoil.
A kind of job practices of net cage protection-pad type bank protection, construction sequence is as follows:
Step 1 waits foreign material to carry out clearly base to the assorted soil of bank protection place basic unit weeds, and more smooth than the side of cutting by the design slope, and to the coombe groove, bury the position such as dark culvert underground and will fill and lead up with backfill, the back filled region need be carried out back-filling in layers and be rolled.
After step 6, inserts are thrown in and to be finished, the piece stone of wire gauze box top is paved smooth, capping net sheet opened to even up be laid on above the net cage, seal inserts.
Referring to 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, adopt steel pipe feet hand skeleton 9 to be connected and fixed large tracts of land net cage protection pad during installation, then integral lifting, form large tracts of land 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 with fastener 9.4 in four bights of net cage protection pad group, and the lower end is supported in ground.
Claims (9)
1. net cage protection-pad type protective slope structure; lay on the slope; it is characterized in that: described net cage protection-pad type protective slope structure successively is distributed with basic unit (1) from lower to upper; the permeable filtering layer (3) of leading; net cage protection pad layer (4); topsoil (7) and vegetable layer (8); the lower bottom part of described basic unit (1) is laid slope end jackstone spats layer (2); described net cage protection pad layer (4) is to be formed by colligation behind the wire net cage adjacent flat shop of several outer diaphragms of resinizing; each wire net cage is in-built to enter inserts (5); cover capping net sheet (6) above the net cage; soil is filled up in the gap of described net cage protection pad layer (4); the net cage protection pad layer top soil layer of filling in a form is laid vegetable layer (8) on the topsoil.
2. net cage protection-pad type protective slope structure according to claim 1, it is characterized in that: the described permeable filtering layer (3) of leading is the permeable nonweaven geotextile of one deck or sandstone pervious layer.
3. net cage protection-pad type protective slope structure according to claim 2 is characterized in that: the net material of described net cage protection pad layer (4) adopts mild steel wire, and long 4～6 meters of each wire net cage is wide 1.5～2.5 meters, high 0.2～0.5 meter.
4. net cage protection-pad type protective slope structure according to claim 2, it is characterized in that: described inserts (5) is piece stone, and diameter is 120 millimeters～350 millimeters, and average grain diameter is 250 millimeters.
5. the job practices of a net cage protection-pad type bank protection is characterized in that construction sequence is as follows:
Step 1 waits foreign material to carry out clearly base to the assorted soil of bank protection place basic unit weeds, and more smooth than the side of cutting by the design slope, and to the coombe groove, bury the position such as dark culvert underground and will fill and lead up with backfill, the back filled region need be carried out back-filling in layers and be rolled;
Step 2 after basic unit (1) is smooth, is to guarantee whole domatic stability, and slope end jackstone spats layer (2) is set, and platform is cut out at absolute altitude place at the bottom of the bank protection at alluvial flat, and piece stone is thrown the tankful hole in location setting-out excavation spats groove hole then, forms the jackstone spats;
Step 3 is finished clearly base of jackstone spats and the basal plane shaping of bank protection place, and the setting-out of band line check and approve qualified after checking and accepting after, lay the permeable filtering layer (3) of leading in sloping body basic unit;
Step 4 is installed net cage protection pad layer (4), unit metal silk screen case is drawn close mutually and colligation firm, net cage protection pad group makes it to join together;
Step 5 is thrown in inserts (5) in the wire net cage, inserts is piece stone, and piece stone diameter is 120 millimeters～350 millimeters, 250 millimeters of average grain diameters;
After step 6, inserts are thrown in and to be finished, the piece stone of wire gauze box top is paved smooth, capping net sheet is laid on above the net cage, seal inserts;
Step 7 is completed after the capping net sheet, fills up soil in net cage protection pad layer 4 gap, the net cage protection pad layer top soil layer (7) of filling in a form, and lay vegetable layer (8).
6. net cage protection-pad type slope protection construction method according to claim 5, it is characterized in that: the colligation of described step 4 net cage protection pad layer (4) is from the bight of net cage protection pad adjacent net pieces, and colligation wrings successively.
7. net cage protection-pad type slope protection construction method according to claim 5 is characterized in that: described step 4 is installed and is adopted steel pipe feet hand skeleton (9) to be connected and fixed large tracts of land net cage protection pad, and then integral lifting is installed large tracts of land net cage protection pad layer.
8. net cage protection-pad type slope protection construction method according to claim 7, it is characterized in that: 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 with four bights of fastener (9.4) in net cage protection pad group between each steel pipe.
9. net cage protection-pad type slope protection construction method according to claim 8, it is characterized in that: (9 also comprise bight inclined tube (9.3) to described steel pipe feet hand skeleton, the upper end of 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 and ground are connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN102995646A true CN102995646A (en) | 2013-03-27 |
| CN102995646B CN102995646B (en) | 2016-01-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696403A (en) * | 2014-01-01 | 2014-04-02 | 中国科学院－水利部成都山地灾害与环境研究所 | Step-pool structure debris flow guide groove and applicable 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696403A (en) * | 2014-01-01 | 2014-04-02 | 中国科学院－水利部成都山地灾害与环境研究所 | Step-pool structure debris flow guide groove and applicable thereof |
| 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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| Publication number | Publication date |
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| CN102995646B (en) | 2016-01-13 |
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