CN204163049U - A kind of gabion net for river course slope protection regulation - Google Patents
A kind of gabion net for river course slope protection regulation Download PDFInfo
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- CN204163049U CN204163049U CN201420138351.4U CN201420138351U CN204163049U CN 204163049 U CN204163049 U CN 204163049U CN 201420138351 U CN201420138351 U CN 201420138351U CN 204163049 U CN204163049 U CN 204163049U
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- Revetment (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a kind of gabion net for river course slope protection regulation, this gabion net being used for river course slope protection regulation is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, the inside of metal wire casing is filled with filling building stones, the top of metal wire casing is provided with capping, the outside of low-carbon (LC) zinc-coated wire is coated with the anticorrosive Corvic of one deck, and this bottom being used for the gabion net of river course slope protection regulation is provided with lattice guest protection pad, bank protection or river bottom protection; Utilize this gabion net bank protection, corollary failure factor can be resisted very tenaciously, there is the ability of bearing and being out of shape on a large scale, corrosion resistance is powerful especially, both can guarantee the stability of side slope, can safeguard again and recover the form of structure of river channel ecology, can not suffer to produce harmful effect because of stone and concrete destruction, structure is simple, practical, has stronger propagation and employment and is worth.
Description
Technical field
The utility model belongs to river course slope protection remedial technology field, particularly relates to a kind of gabion net for river course slope protection regulation.
Background technology
In China's river course slope protection regulation; generally all adopt than the stone being easier to draw materials or prefabricated concrete structure block part form out; so just be easy to the ecological functions that have ignored river course; destroy the ecological homeostasis; be unfavorable for environmental protection; resist corollary failure factor and bear the ability of being out of shape poor on a large scale, corrosion resistance is more weak.
Utility model content
The purpose of this utility model is to provide a kind of gabion net for river course slope protection regulation; be intended to solve in the regulation of current river course slope protection; generally adopt than the stone being easier to draw materials or prefabricated concrete structure block part form out; this mode have ignored the ecological functions in river course; destroy the ecological homeostasis; be unfavorable for environmental protection, resist corollary failure factor and bear the ability of being out of shape poor on a large scale, the problem that corrosion resistance is more weak.
The utility model realizes like this, a kind of gabion net for river course slope protection regulation, this gabion net being used for river course slope protection regulation is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, the inside of metal wire casing is filled with filling building stones, and the top of metal wire casing is provided with capping.
Further, the outside of low-carbon (LC) zinc-coated wire is coated with the anticorrosive Corvic of one deck (PVC).
Further, this bottom being used for the gabion net of river course slope protection regulation is provided with lattice guest protection pad, bank protection or river bottom protection.
Further, when assembling this gabion net for river course slope protection regulation, spacer web should be in 90 ° crossing with body, and form rectangle net cage group or net cage through colligation, binding wire must be and the steel wire of netting twine with material, and every one colligation must be that doublet cord merging wrings; Spacer web is together with each colligation of the angle of cut everywhere of body, spacer web and body junction are at interval of together with 25cm colligation, adjacent frame line between spacer web and body, must adopt assemble line to connect, and namely connects a hole with binding wire one hole around a circle and encloses around two twisted connection of boring a hole in the shape of a spiral; The each colligation in corner up and down of adjacent metal net cage together, the upper and lower frames line of adjacent metal net cage or broken line, must at interval of 25cm colligation together, mesh sheet bonding surface then every square metre of colligation 2 place of adjacent metal net cage, when colligation adjacent frame line inferior horn one, as there is metal wire casing below, must by below net cage in the lump colligation, in the hope of being connected;
In globality in conjunction with vertical direction, colligation all adjacent metal net cages frame line, by 15cm place, vertical direction is down with galvanized wire colligation after 2 ~ 3 circles, amount to 3 places, be followed successively by 15cm, 20cm, 15cm from top to bottom, during colligation the 3rd place, below is if any adjacent metal net cage, by below in the lump colligation, must link in the hope of one;
Globality in conjunction with horizontal direction, colligation all adjacent metal net cages frame line, counting 25cm by edge is the first point, and every 25cm distance continues colligation, and the second layer by adjacent in the lump colligation, must link in the hope of entirety after laying; Adjacent body, on average every square metre of colligation 4 place, after every layer of bulk metal net cage links, can drop into filling building stones, and when filling the construction of building stones spats, cross-ties longitudinal layer interlocks, and successively constructs, and colligation layer by layer connects, and full wall integrally.
Further, in metal wire casing during filler construction, every layer of Raising directly should be controlled at below 30cm, one meter of high metal wire casing generally divides four layers to feed intake, 0.5 meter of high metal wire casing then divides secondary batching, and every lattice evenly drop into, and packing material unit weight should reach 1.70 tons/cubic metre.
Further, capping must be built to build on smooth basis at top building stones and be carried out, first use capping clamping fixed often hold neighborhood of nodes after, more in addition colligation, capping and metal wire casing frame intersecting lens, 25cm colligation one of should being often separated by.
The gabion net for river course slope protection regulation that the utility model provides, this gabion net being used for river course slope protection regulation is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, the inside of metal wire casing is filled with filling building stones, the top of metal wire casing is provided with capping, the outside of low-carbon (LC) zinc-coated wire is coated with the anticorrosive Corvic of one deck (PVC), and this bottom being used for the gabion net of river course slope protection regulation is provided with lattice guest protection pad, bank protection or river bottom protection; Utilize this gabion net bank protection, corollary failure factor can be resisted very tenaciously, there is the ability of bearing and being out of shape on a large scale, corrosion resistance is powerful especially, both can guarantee the stability of side slope, can safeguard again and recover the form of structure of river channel ecology, can not suffer to produce harmful effect because of stone and concrete destruction, structure is simple, practical, has stronger propagation and employment and is worth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the metal wire casing for river course slope protection regulation that the utility model embodiment provides.
Fig. 2 is the mesh-structured schematic diagram of the gabion net that the utility model embodiment provides;
Fig. 3 is the strand limit schematic diagram that the utility model embodiment provides;
Fig. 4 is the mechanical flange schematic diagram that the utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of the gabion net for river course slope protection regulation that the utility model embodiment provides.For convenience of explanation, illustrate only the part relevant to the utility model embodiment.
This gabion net being used for river course slope protection regulation is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, and the inside of metal wire casing is filled with filling building stones, and the top of metal wire casing is provided with capping.
In the utility model embodiment, the outside of low-carbon (LC) zinc-coated wire is coated with the anticorrosive Corvic of one deck (PVC).
In the utility model embodiment, this bottom being used for the gabion net of river course slope protection regulation is provided with lattice guest protection pad, bank protection or river bottom protection.
In the utility model embodiment, when assembling this gabion net for river course slope protection regulation, spacer web should be in 90 ° crossing with body, forms rectangle net cage group or net cage through colligation, binding wire must be and the steel wire of netting twine with material, and every one colligation must be that doublet cord merging wrings; Spacer web is together with each colligation of the angle of cut everywhere of body, spacer web and body junction are at interval of together with 25cm colligation, adjacent frame line between spacer web and body, must adopt assemble line to connect, and namely connects a hole with binding wire one hole around a circle and encloses around two twisted connection of boring a hole in the shape of a spiral; The each colligation in corner up and down of adjacent metal net cage together, the upper and lower frames line of adjacent metal net cage or broken line, must at interval of 25cm colligation together, mesh sheet bonding surface then every square metre of colligation 2 place of adjacent metal net cage, when colligation adjacent frame line inferior horn one, as there is metal wire casing below, must by below net cage in the lump colligation, in the hope of being connected;
In globality in conjunction with vertical direction, colligation all adjacent metal net cages frame line, by 15cm place, vertical direction is down with galvanized wire colligation after 2 ~ 3 circles, amount to 3 places, be followed successively by 15cm, 20cm, 15cm from top to bottom, during colligation the 3rd place, below is if any adjacent metal net cage, by below in the lump colligation, must link in the hope of one;
Globality in conjunction with horizontal direction, colligation all adjacent metal net cages frame line, counting 25cm by edge is the first point, and every 25cm distance continues colligation, and the second layer by adjacent in the lump colligation, must link in the hope of entirety after laying; Adjacent body, on average every square metre of colligation 4 place, after every layer of bulk metal net cage links, can drop into filling building stones, and when filling the construction of building stones spats, cross-ties longitudinal layer interlocks, and successively constructs, and colligation layer by layer connects, and full wall integrally.
In the utility model embodiment, in metal wire casing during filler construction, every layer of Raising directly should be controlled at below 30cm, one meter of high metal wire casing generally divides four layers to feed intake, 0.5 meter of high metal wire casing then divides secondary batching, and every lattice evenly drop into, and packing material unit weight should reach 1.70 tons/cubic metre.
In the utility model embodiment, capping must be built to build on smooth basis at top building stones and be carried out, first use capping clamping fixed often hold neighborhood of nodes after, more in addition colligation, capping and metal wire casing frame intersecting lens, 25cm colligation one of should being often separated by.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
Gabion net is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, assemble according to engine request and load block stone etc. and fill building stones, this honey comb structure, the principle of mechanics can be met, it is a connatural huge soil block cloddy, there is the function of bearing tension force, and the pressure of Absorbable rod the unknown.This technology can realize the combination of engineering structures and ecological environment preferably, is protection riverbed, harnessing landslide, control mud-stone flow disaster, prevents falling rocks from taking into account the first-selected form of structure of environmental protection; Gabion net wire used adopts zinc-plated processing, to improve resistance to corrosion.In some water quality not so good (as pH value is too low) and to the high engineering of application life, quality requirement on low-carbon (LC) zinc-coated wire coated one deck through the anticorrosive Corvic (PVC) of special optimization, finished product structure has the features such as antirust, antistatic, anti-aging, corrosion-resistant, high resistance to compression, high shearing resistance, is highly resistant to salt water or highly polluted erosion.
Construction technology process: 1, lattice guest protection pad, bank protection or river bottom protection, first cuts slope by designing requirement and smooth paved surface, and domatic or face, base should smooth, closely knit, free from admixture.
2, on-the-spot as (as drift sand mud etc.) during poor ground soil property, re-lay protection pad after should separately making basement process.
3, lay anti-seepage geotextile construction and should meet designing requirement.
Assembling gabion net:
1, spacer web should be in 90 ° crossing with body, and form rectangle net cage group or net cage through colligation, binding wire must be and the steel wire of netting twine with material, and every one colligation must be that doublet cord merging wrings.
2, spacer web is together with each colligation of the angle of cut everywhere of body, spacer web and body junction are at interval of together with 25cm colligation, adjacent frame line between spacer web and body, must adopt assemble line to connect, and namely connects a hole with binding wire one hole around a circle and encloses around two twisted connection of boring a hole in the shape of a spiral.
3, each colligation in corner up and down of adjacent net cage group together, the upper and lower frames line of adjacent net cage group or broken line, must at interval of 25cm colligation together, mesh sheet bonding surface then every square metre of colligation 2 place of adjacent net cage group, when colligation adjacent frame line inferior horn one, as there is net cage group below, must by below net cage in the lump colligation, in the hope of being connected;
Lay gabion net: before 1, laying gabion net, measure according to design drawing setting-out gabion net axis and interior outer side edges line, check that the outward appearance of gabion net has N/D or artificial destruction, box sizes, mesh diameter, wire diameter, sideline, frame line wire diameter, and get out erecting tools.After appraising and deciding paving location, lay gabion net according to plan.
2, in globality in conjunction with vertical direction, the all adjacent gabion net frame lines of colligation, by 15cm place, vertical direction is down with galvanized wire colligation after 2 ~ 3 circles, amount to 3 places, be followed successively by 15cm, 20cm, 15cm from top to bottom: during colligation the 3rd place, if any adjacent net below whole group of lattice guest, by below in the lump colligation, must link in the hope of one.
3, globality is in conjunction with horizontal direction, all adjacent gabion net frame lines of colligation, and counting 25cm by edge is the first point, and every 25cm distance continues colligation.The second layer is laid rear (top layer), by adjacent in the lump colligation, must link in the hope of entirety.Adjacent body, on average every square metre of colligation 4 place.After every layer of overall gabion net links, filling building stones can be dropped into.During the construction of gabion net spats, cross-ties longitudinal layer interlocks, and successively constructs, and colligation layer by layer connects, and full wall integrally.
Filling building stones are constructed:
1, fill the specification quality of building stones in gabion net, must designing requirement be met, adopt machinery and manually carry out stone filling, scaffold fixed grating guest net before filler, in order to avoid its distortion.
2, must feed intake in each gabion net of same layer equably simultaneously, forbid disposable for single gabion net throwing full.In filler construction, should control every layer of Raising directly at below 30cm, the gabion net of a meter high generally divides four layers to feed intake, and 0.5 meter of high gabion net then divides secondary batching, and every lattice evenly drop into.
3, end face filling building stones suitably should exceed gabion net, and must be closely knit, and gap should be clogged with small crushed stone, and packing material unit weight should reach 1.70 tons/cubic metre.
Gabion net capping is constructed:
1, capping must be built to build on smooth basis at top building stones and be carried out.
2, first use capping clamping fixed often hold neighborhood of nodes after, more in addition colligation, capping dative guest selvage frame intersecting lens, 25cm colligation of should being often separated by is together.
The assembling of gabion net:
1, need be arranged on one piece of smooth hard place and carry out operation, please note during selection place and will facilitate lattice guest assembling, carrying, do not affect the enforcement of other job contents on-the-spot again.
2, be opened into the gabion net of bale packaging, take out a complete gabion net, to step on etc. the part of mode bending with sizing, distortion with the instruments such as pliers or artificial pin.Should be noted following several respects: the folding line between gabion net panel bends; Folding line middle during the long gabion net doubling of 4m; Due to flexural deformation that misoperation produces in handling process.
3, dividing plate and front and back panel, fixes each angle point with edge steel wire extension, and guarantee that gabion net top edge is in same level, all vertical clapboards and panel all should perpendicular to base plates.
4, finally with the stranded all vertical neighboring edges of long steel wire, note being undertaken stranded by the two circle of interval 10 ~ 15cm one individual pen.
5, for the gabion net of turnaround section, note time stranded overlapping the vertical panel in coincidence face without the need to stranded, can consider to take off this panel or folding is put on base plate.
The principle of assembling gabion net: regular shape, stranded firm, all vertical panel top edge in same level, and guarantee that cover rim can be stranded with panel upper end horizontal edge.
Gabion net is put, link: 1, carry out before gabion net puts operation, first unwrapping wire is to determine the position that gabion net is put, check whether ground gradient reaches requirement (inclination angle of lattice guest barricade is generally 6 °, and namely the slope ratio of ground is 1: 10, determines according to designing requirement).
2, by the gabion net assembled according to certain requirement closely neat putting be in the proper place, encounter when needing turning and arc process, processed by cutting or overlap.
3, with the braided wires of certain length, the gabion net of adjacent for left and right gabion net and levels is linked together.Strandedly carry out stranded in strict accordance with interval 10 ~ 15cm individual pen a pair of circle one individual pen, the braided wires that the long edge of stranded 1m adopts 1.3m long, and the lay length of every root is no more than 1m;
Gabion net puts principle: answer face (plate) opposite (plate), the back of the body (plate) to the back of the body (plate) when putting; Try one's best side plate side towards face wall; The gabion net outer contour be well placed should be uniform, edge link, closely stranded.
Building stones load: 1, building stones are according to local conditions, cobble or slabstone, block stone can be selected, the particle diameter of building stones need meet designing requirement, gabion net surrounding in particular cases can be selected to load large building stones, the little building stones that middle filling is appropriate, the mode of filling can adopt artificial filling, and semi-artificial semi-mechanization also can be adopted to carry out filling operation.
2, be related to the key of gabion net barricade overall appearance effect during the construction of face wall part, surfacing need be selected, particle diameter is suitable for and the building stones of even thickness, put according to the standard of dry-laid rubble;
3, in order to prevent from the panel pressurized of gabion net face wall from bloating and loading causing, dividing plate is bending takes following three kinds of measures: measure one, a grid panel made by long plank is bound at lattice guest front panel, make it near lattice guest panel with fixation with steel wire, be movable to other positions after having loaded and install; Measure two, 1m Gao Gebin divides three layers of filling, and increases by degrees toward the lattice guest unit of all directions, and that is, adjacent two lattice guest unit rockfill highly to differ and are no more than 33cm; Measure three, by in face wall square frame often filling full three/once installation two reinforcings steel wire (every root length 2.5 meters), centre small wood or elongated stone rotate steel wire, hold degree of tightness yardstick: should avoid too relaxing and not reach the lacing wire effect of expection, prevent too tight again and cause face wall to cave inward.
4, consider stone sedimentation, fill the superelevation that stone will have 2.5cm ~ 4cm, and will carry out smooth to upper surface, reduce porosity as far as possible;
5, the substrate of gabion net gauze pad and compactness, outline line position and size should meet designing requirement; Fill building stones and adopt block stone, must be hard closely knit, weather proofing is good, and void content is no more than 30%, should be simultaneously uniform to plastic of Rockfill in one group of gabion net gauze pad, forbids filler in single grid.The unit weight of filling building stones should reach 1.7t/m
3; Exposed filling building stones, surface should be built by artificial or machinery and be built leveling.
Building stones filling principle: the filling of building stones requires closely knit, and face wall is smooth.
Closed closure operation:
1, before stranded capping, check whether building stones load full, and whether upper surface is smooth; Check gabion net outline, the place bury under some flexural deformations, dividing plate top edge, surface irregularity etc. not being met to construction requirement corrects, and available steel label are corrected.
2, link together with the braided wires of the certain length top edge by capping and vertical panel, dividing plate.Strandedly carry out stranded in strict accordance with interval 10 ~ 15cm individual pen a pair of circle one individual pen, the braided wires that the long edge of stranded 1m adopts 1.3m long, and the lay length of every root is no more than 1m; Two end plate top edges and two edges of adjacent net box unit need twist together.
Capping stranded operation principle: all edge needs stranded putting in place, all stranded edges in line, and several edge steel wire close proximity of twisting point.
Material, equipment and labor organization:
Main material: the wire side of gabion net selects Φ 2.7 steel wire, limit end selects Φ 3.4 steel wire, plating Gao Erfan (5% alumin(i)um zinc alloy+rare earth element) preservative treatment, the adhesion of coating requires when steel wire is in time having the axle 6 weeks of 2 times of steel wire diameter, with finger friction steel wire, it can not peel off or ftracture; Table 1 is lattice guest technical data table.
Table 1 lattice guest technical data (50cm or 100cm is thick)
Wire side tensile strength 50KN/M, need provide the wire side tensile strength examining report of authorized by state; After wire side cutting, the junction of end and terminal filament is the weak link of total, for strengthening the bonding strength of wire side and terminal filament, need adopt the flanger of specialty that wire side steel wire winding is no less than 2.5 circles on terminal filament, manual strand can not be adopted, or replace mechanical flange with flanging, turnover length is not less than 8cm; In order to ensure the planeness of face wall, by constructing according to dry stone wall standard within the scope of panel 20cm.
Short-term needle-punched geotextiles: with geotextiles specification 200g/m
2short-term needle-punched geotextiles.Adopt and manually roll paving, cloth cover is smooth, and suitably leaves distortion allowance.Geotextiles adopts to be sewed up.Sew up superposition width and be not less than 0.2m, geotextile should be reviewed before laying, and quality must be qualified, has tearing, creep, aging geotextile all must not use; Should ensure in groove before geotextile laying and anhydrous, no-sundries in side slope; During laying, start successively upstream side from downstream and carry out, upstream side fabric should be overlapped on the fabric of downstream.
Tie up silk: metal binding wire must adopt the steel wire of material the same as wire side steel wire, select Φ 2.2 steel wire, surface is through Gao Erfan (5% alumin(i)um zinc alloy+rare earth element) preservative treatment.For ensureing that bonding strength need be alternately stranded continuously in strict accordance with the two circle of interval 10cm ~ 15cm individual pen.
Building stones: fill building stones and adopt firm, durable, unweathered particle diameter, grating satisfactory block of stone or cobble.Must be hard closely knit, weather proofing is good.The particle diameter of filling building stones should control, between particle diameter 7.5 ~ 15cm, can have the change of 5%, but minimum grain size must not be less than mesh size (about 6cm).Fill building stones diametric requirements in net cage in table 2, void content is no more than 30%, should be simultaneously uniform to plastic of Rockfill in one group of gabion net pad, forbids filler in single grid.The unit weight of filling building stones should reach 1.7t/m
3.
Building stones diameter table is filled in table 2 net cage
Main construction equipment and detecting instrument table
Main construction equipment (table 3)
The main construction equipment of table 3
| Sequence number | Machinery title | Specifications and models | Quantity | Remarks |
| 1 | Truck | 8t | 4 | Transport of materials |
| 2 | Dump truck | 20～25t | 10 | Transport of materials |
| 3 | Long-armed hydraulic crawler excavator | 1m 3 | 3 | Filling material |
| 4 | Loader | XG-50 | 5 | Transport of materials |
Main experimental, checkout equipment (table 4)
Table 4 main experimental, checkout equipment
| Sequence number | Instrument title | Unit | Specifications and models | Quantity | Remarks |
| 1 | Electric vibrating sieving machine | Platform | 611B type | 1 | |
| 2 | Standard screen | Cover | Meet the demands | 2 | |
| 3 | Total powerstation | Platform | topCN332W | 1 | |
| 4 | Level gauge | Platform | Win and fly | 3 |
Labor organization (table 5)
Table 5 labor organization
| Sequence number | Work post title | Quantity | Action | Remarks |
| 1 | Program manager | 1 | Construction and management | |
| 2 | Section chief | 2 | Site construction management | |
| 3 | Full-time security official | 2 | Site safety manages | |
| 4 | Excavator driving person | 5 | Excavator operation, maintenance, maintenance | |
| 5 | Loader drive person | 5 | Loader operation, maintenance, maintenance | |
| 6 | Trucker | 4 | Vehicle operating, maintenance, maintenance | |
| 7 | Dump truck driver | 10 | Vehicle operating, maintenance, maintenance | |
| 8 | Site operation person | 3 | Site technology manages | |
| 9 | Surveyor | 4 | Construction lofting, physical dimension control | |
| 10 | Site Detection person | 3 | Quality in site detects | |
| 11 | Electrician | 1 | Temporary electricity line upkeep manages | |
| 12 | General work | 68 | The laid dry of gabion net gabion is constructed |
Quality control:
Quality control on construction: unit in charge of construction should establish and improve perfect quality certification system, bears the self-inspection task of workmanship, carries out total quality control; The requirement such as scope of offical duty, working programme, accident treatment, data processing of quacification and inspection of engineering quality needed for construction engineering test personnel, all should meet the regulation of " Construction for Hydroelectric Project performance rating code (trying) " (SL176-1996); The authenticity of inspection result, examination of materials data should be ensured, forbid forge or give up arbitrarily achievement and data; Quality examination record should properly be preserved, and forbids to alter or self-destruct; Gabion net (Reynolds) slope protection works construction quality should comprise inherent quality and presentation quality; Self-inspection must be carried out at each procedure, inspect by random samples qualified after, can next procedure be continued.
Material quality control
The specification quality of gabion net (Reynolds) net material answers emphasis to check following content: 1, whether the physical property of net material, mechanical index meet designing requirement; Whether steel wire coating meets designing requirement; 2, whether gabion net (Reynolds) dividing plate meets designing requirement (single dividing plate/bis-dividing plate); Whether mesh sheet strand limit is machinery strand limit; Whether film quality of resinizing outward meets designing requirement.
Quality and the specification of filling building stones answer emphasis to check following content: the block stone that filling building stones must adopt firm, durable, unweathered size grading good or cobble.The regulation that building stones quality should meet " Hydraulic and Hydro-Power Engineering natural building material reconnaissance regulations " (SDJ17-78).The particle diameter of filling building stones must meet designing requirement, and particle diameter should control between 7.5 ~ 15cm, can have the change of 5%, but minimum grain size must not be less than mesh size (about 6cm).
The quality control of geotextile, answer emphasis to check following content:
1, whether the quality of permeable geotextile and specification meet designing requirement;
2, whether the quality of antiseepage geotextile and specification meet designing requirement.
Gabion net (Reynolds) quality control on construction:
Whether domatic, the planeness of paved surface, the soil body compactness of laying gabion net meet designing requirement; Check domatic, the plan-position of paved surface, whether elevation meet designing requirement; Whether inspection gabion net (Reynolds) packaging technology, assembled program meet designing requirement; Whether sampling observation gabion net (Reynolds) protection pad physical dimension meets the following requirements: highly (H) allowable variation ± 10%, width (B) allowable variation ± 5%, length (L) allowable variation ± 5%.
Whether selective examination protection pad smooth degree of layer meets the regulation of the discrepancy in elevation≤3cm.
Application project measured result gathers.
Application project sampling observation gabion net protection pad data summary table
| Sequence number | Detection of content | (individual) is counted in selective examination | Qualified count (individual) | Qualification rate (%) |
| 1 | Highly | 38 | 38 | 100 |
| 2 | Width | 38 | 38 | 100 |
| 3 | Length | 38 | 38 | 100 |
| 4 | Surface finish | 60 | 60 | 100 |
Safety measure: formulate tight security management system, three level security education are carried out to the personnel of marching into the arena, project management department establishes full-time security official, sets up safety archive, strict implement safety regulation for operations, safety inspection before the class of carrying out, after class, all levels of management personnel check safety while inspection is produced, security official and safety personnel on duty for the day, daily tours of inspection, full-time security official on duty is set up to indivedual emphasis position, guarantees construction safety; Various constructing operation personnel must take appointment with certificate through safety training, must not go on duty without relative certificate.The various home-built equipment come into operation and facility are by using after performance and safety verification; On-the-spot lighting installation is complete, configuration is reasonable, often overhauls, and guarantee is produced normally, adequate illumination of having lived; Strengthen the interim observation of construction, in time feedback observational data and information, take corresponding measure in time according to observation data and analysis result; Carry out the management of safe operation of communications and transportation, job site arranges traffic indication board; All constructors should support the ABC and device therefor performance of holding safety utilization of electric power, electricity consumption personnel protect the load line of equipment, ground wire and switch separately, pinpoint the problems and look for electrical maintenance in time, forbid layman to operate, forbid layman disorderly move electric equipment or disorderly connect power supply; Various machinery will have special messenger's operation, and special messenger is responsible for maintenance, often checks the key position of machinery, the generation of prevention mechanical breakdown and mechanical accident; Commander obeyed by haulage vehicle, and signal is complete, and building site vehicle carries out speed limit traveling, must not exceed the speed limit, Reduced Speed Now when passing fork, obstruction, and check mechanism is complete, function is good; Education and guidance constructor, in strict accordance with technical requirements and operational procedure operation, establishes the thought that quality responsibility overweights all, and apparent mass is as life, and not wheel and deal, treat the work of oneself with strong sense of responsibility and good professional ethics; Worked out flood control flood control, riverbank job safety takes precautions against emergency preplan, and tissue is drilled.
Environmental practice: the destruction of reducing ecological environment, strictly taking soil by designing requirement, taking unplanned land used as having to because of need of production, and land used scheme need report management, owner and the examination & approval of local relevant department, after relevant departments are agreed to, can implement.Do not take by force or take over forest land for use, do not excavate quarrying without authorization and fetch earth, material, discarded object must not be deposited in forest land, protect flowers, plants and trees along the line, really need to want declaration during occupying woodland because building, and carry out and foster and resume work after construction terminates; The selection in temporary construction place and layout, take green area for principle to reduce as far as possible, protect surrounding environment, reduce the destruction to vegetation ecological; After construction terminates, recover greening in time or arrange second ploughing, paying attention to reclaiming of temporary construction land used; Circuit both sides must not be got arbitrarily, spoir, must not ratify without relevant department the vegetation and greening that arbitrarily cut down forest or change line of project near zone.Construction is fetched earth and is met local pertinent regulations, preserves the ecological environment and forbids destroying mineral resources; Strictly implement water-and-soil conservation measures when getting spoir, prevent the unordered operation of formula in full flourish, carry out excavation in order and fetch earth, reduce the destruction to ecological environment.Incorporation engineering is in progress, and afforests in time, beautifies the environment.Borrow area is selected in highland as far as possible, waste account for less or do not account for arable land, when fetching earth from arable land, being removed by surface grafting mamoty on the ground, concentrates and is kept in stock, and carries out before engineering is handed over and also work.Deal carefully with the side of abandoning, hillside spoir is avoided destruction as far as possible or is buried the forest on piece of smooth land side, farmland and other engineering services.Spoir is avoided blocking river course, is changed the direction of a stream of water and heading up and flood or destroy by rush of water farmland, house; Noise, light pollution control, and pay the utmost attention to low noise equipment during plant equipment Matching and selection, take hydraulic test and friction device to replace vibrating type equipment as far as possible, and take the measures such as noise elimination, sound insulation, installation Shockproof base.Strengthen the maintenance of plant equipment, ensure the serviceability rate of plant equipment, guarantee that construction noise reaches environment protectment protection.Reasonable Arrangement is produced and living area.The motor vehicles and machines entering job site are blown a whistle less, not emergency brake, do not operate with failure, reduce noise; Active workings and haulage vehicle should clean in time, rinse, and ensure the clean of place and vehicle.Prevailing traffic road is smooth, unobstructed, timing watering dust prevention, forbids various rubbish and the discarded object of burning in the venue.The workplace of reasonable layout dynamic power machine, avoids same place to run more motive power machine equipment as far as possible.To the plant equipment that the noise such as air compressor machine, generator exceeds standard, take dress noise damper to reduce noise; Apart from resident's closer section, the mechanical work time that reasonable arrangement noise is larger, strict control noise.Because requirement in production technology must be worked continuously or special requirement, really need at night 22 up to next day morning 6 time during carry out constructing, should before construction journalism basic unit and local relevant departments, can carry on construction work at night after approval.
Performance analysis
Gabion net structure has: ecological, environmental protective, inside is rockfilled as natural materials, plant can grow wherein, meet ecological requirements, good integrity, structure are not easy to destroy, flexibility is good, can adapt to foundation deformation and not damage, and good endurance, multiple twin graticule mesh adopt coating and PVC cuticula, long service life, good water permeability, inside configuration porous, do not need special drainage, construction costs is low, easy construction, remarkable in economical benefits, disappear the features such as unrestrained performance is good.Therefore be widely used in building or reconstructing in ecological river bank protection work, alleviate the pressure that engineering measure causes river ecosystem, the gabion box structure for channel revetment has three kinds of citation forms: net cage, gauze pad and mesh bag.Inside configuration fills lower-cost cobble or fritter erratic boulder, sometimes also with the packing material that other material is as extremely low in the expense such as waste concrete block, fragment of brick; Therefore gabion net protection application all extremely beneficial to aspects such as improving the ecological environment, keep ecological balance, economize on resources, application prospect is considerable, and economic benefit and social benefit remarkable.
Gabion net construction is simple, convenient, and labour and the machinery of consumption are less, accelerate construction speed, shorten the construction period; The block stone, cobble etc. that use are common landed estate material, feeding is convenient, haul distance is short, save engineering cost, in addition, the effect that this engineering method also has greening and environmental protection, beautifies the environment, keeps ecological balance, the direct economic benefit that over nearly 3 years, the extensive use of this engineering method produces and indirect economic effect amount to 5,380,000 yuan.
Application example:
Right bank water front comprehensive improvement I phase engineering D district, Wuhai lake and F district;
Project profile: right bank water front comprehensive improvement I phase engineering D district, this contractual commitment Wuhai lake and F district is the Yellow River Wuhai lake bridge and Wuhai water-control project important component part; Overall length 3.8km, construction costs is 5004.8 ten thousand yuan.Engineering comprises the contents such as shore protection fills, slope protection, coombe improvement, this project is one of emphasis hydraulic engineering of Wuhai City, the construction of engineering not only can form waterfront landscape gallery, but also effectively can reduce the adverse effect that reservoir filling causes, prevent bank slump, reduce submergence, make water front in order, and the effect such as wind wave prevention, ice-proof can be played.
Effect: in the construction of Wuhai lake right bank water front comprehensive management engineering, adopt gabion net structure dry pitching spats construction technology, the direct economic benefit produced in the application of this engineering and indirect economic effect amount to 106.2 ten thousand yuan, and construction quality excellent, economize on resources, greening and environmental protection, to keep ecological balance, meet national policy requirement, achievement is remarkable.
Ningxia section Wuzhong City is to the Yellow River, Qingtongxia water front protection comprehensive management engineering two bid section;
Project profile: Ningxia section Wuzhong City is to the Yellow River, Qingtongxia water front protection comprehensive management engineering two bid section, and total length 8.6km, construction costs is 1.68 hundred million yuan, belongs to astable bifurcation stream.Sediment concentration in river is large, vacillates in river course, and bank erosion is serious, and the stability extreme difference of river-bed section embankment, engineering construction comprises the contents such as shore protection fills, slope protection, bank erosion improvement.
Effect: for Ningxia river reach characteristic, adopt gabion net structure dry pitching spats construction technology, with its good integrity, structure is not easy to destroy, flexibility is good, can foundation deformation be adapted to and not damage, good endurance, long service life, good water permeability, inside configuration porous, do not need the advantages such as special drainage to be applied to the section that The water is deep and the current fast and make bank protection spats, effectively improve workmanship, save engineering cost, greening and environmental protection, the economic benefit that this technology of this engineer applied produces is 258.1 ten thousand yuan, and construction quality is excellent, economize on resources, meet national policy requirement, achievement is remarkable.
The Yellow River, Tianshui of Gansu Province right bank bank-line control engineering three bid section;
Project profile: the Yellow River, Tianshui of Gansu Province right bank bank-line control engineering three bid section, total length 6.7km, existing dike moves down due to channel bar in recent years, caused flowing pressure constantly to increase, bank slump aggravation, have a strong impact on flood control safety; For ensureing that this river bend is stablized, guarantee section flood control safety, solve basis loosely, resistance to overturning difference etc. problem, according to this river bend Morphological Features, this engineering carries out the comprehensive regulation according to existing beach strand and levee toe, and project content comprises domatic trimming, slope protection, coombe improvement, landscape planting engineering etc.
Effect: this project adopts gabion net structure dry pitching spats construction technology, after engineering completes, to its carry out regularly with irregularly observe: result slope protection resistance to overturning is good, flexibility is good, can adapt to foundation deformation and do not damage, good water permeability, plant can grow wherein, be conducive to shore protection greening, the unrestrained performance that disappears is good.The application of gabion net structure effectively protects dykes and dams, ensure that flood control safety, and to harnessing a river, dangerous shoal has great importance; the economic benefit that this technology of this engineer applied produces is 173.7 ten thousand yuan; and construction quality excellent, economize on resources, meet national policy requirement, achievement is remarkable.
The gabion net for river course slope protection regulation that the utility model embodiment provides, this gabion net being used for river course slope protection regulation is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, the inside of metal wire casing is filled with filling building stones, the top of metal wire casing is provided with capping, the outside of low-carbon (LC) zinc-coated wire is coated with the anticorrosive Corvic of one deck (PVC), and this bottom being used for the gabion net of river course slope protection regulation is provided with lattice guest protection pad, bank protection or river bottom protection; Utilize this gabion net bank protection, corollary failure factor can be resisted very tenaciously, there is the ability of bearing and being out of shape on a large scale, corrosion resistance is powerful especially, both can guarantee the stability of side slope, can safeguard again and recover the form of structure of river channel ecology, can not suffer to produce harmful effect because of stone and concrete destruction, structure is simple, practical, has stronger propagation and employment and is worth.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the gabion net for river course slope protection regulation, it is characterized in that, this gabion net being used for river course slope protection regulation is woven into the hexagonal metal wire casing of multiple twin by the low-carbon (LC) zinc-coated wire that corrosion-resisting wear-proof is high-strength, the inside of metal wire casing is filled with filling building stones, and the top of metal wire casing is provided with capping.
2., as claimed in claim 1 for the gabion net of river course slope protection regulation, it is characterized in that, the outside of low-carbon (LC) zinc-coated wire is coated with the anticorrosive Corvic of one deck.
3. as claimed in claim 1 for the gabion net of river course slope protection regulation, it is characterized in that, this bottom being used for the gabion net of river course slope protection regulation is provided with lattice guest protection pad, bank protection or river bottom protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420138351.4U CN204163049U (en) | 2014-03-26 | 2014-03-26 | A kind of gabion net for river course slope protection regulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420138351.4U CN204163049U (en) | 2014-03-26 | 2014-03-26 | A kind of gabion net for river course slope protection regulation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275003A (en) * | 2015-11-25 | 2016-01-27 | 华北水利水电大学 | Ecological gabion |
| CN106638468A (en) * | 2017-02-14 | 2017-05-10 | 中国水利水电科学研究院 | Assembled type flood control sub-dam interlocking bag and assembling and disassembling method thereof |
| CN107460849A (en) * | 2017-08-04 | 2017-12-12 | 苏州日植环境技术有限公司 | A kind of ecological green cage net and its implementation |
-
2014
- 2014-03-26 CN CN201420138351.4U patent/CN204163049U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275003A (en) * | 2015-11-25 | 2016-01-27 | 华北水利水电大学 | Ecological gabion |
| CN106638468A (en) * | 2017-02-14 | 2017-05-10 | 中国水利水电科学研究院 | Assembled type flood control sub-dam interlocking bag and assembling and disassembling method thereof |
| CN107460849A (en) * | 2017-08-04 | 2017-12-12 | 苏州日植环境技术有限公司 | A kind of ecological green cage net and its implementation |
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