CN203270515U

CN203270515U - Full tailing hydraulic reclamation split film yarn woven geofabriform piled dam

Info

Publication number: CN203270515U
Application number: CN 201320290360
Authority: CN
Inventors: 戴先庆; 周玉宇
Original assignee: JIANGSU CHANGTAI CONSTRUCTION PROJECT CO Ltd
Current assignee: JIANGSU CHANGTAI CONSTRUCTION PROJECT CO Ltd
Priority date: 2013-05-25
Filing date: 2013-05-25
Publication date: 2013-11-06
Anticipated expiration: 2023-05-25

Abstract

The utility model relates to a full tailing hydraulic reclamation split film yarn woven geofabriform piled dam which comprises a plurality of geofabriform piled layers. Each geofabriform piled layer is formed by a plurality of sequentially-piled split film yarn woven geofabriforms hydraulically reclaimed with tailings in the length direction and the width direction of a dam body. Every two adjacent geofabriforms in the length direction of the dam body are connected in a lap joint mode to form a lap joint section. The length of each lap joint section is not smaller than 1m. Adjacent geofabriforms in the width direction of the dam body are mutually staggered in the length direction of the dam body. The staggered lengths are not smaller than one third of the lengths of the geofabriforms. In every two up-and-down adjacent geofabriform piled layers, the geofabriforms corresponding to each other in an up-and-down mode are staggered by more than one third of the lengths of the geofabriforms in the length direction of the dam body and staggered by more than one third of the widths of the geofabriforms in the width direction of the dam body. The full tailing hydraulic reclamation split film yarn woven geofabriform piled dam is aging resistant and high in anti-scouring safety performance, construction can be normally carried out in the rain weather, the rising speed of the dam body is high, the service life of a tailing warehouse is prolonged by waste use, and the full tailing hydraulic reclamation split film yarn woven geofabriform piled dam is suitable for transformation, heightening and application of the same-type reservoir areas of a power plant ash disposal area, a mine metallurgy industry tailing pond and the like, and has the high popularization and application value.

Description

The woven geotechnical fabric bag heap of a kind of full tailings hydraulic reclamation split yarn is built a dam

Technical field

The utility model relates to a kind of dam body, is that the woven geotechnical fabric bag heap of full tailings hydraulic reclamation split yarn on a kind of water ash tailings discharging for the tailings such as power industry, mine industry storehouse, the discharging of tailings lotion and tailings mould bag Gan Dui dam is built a dam specifically.

Background technology

The tailings storehouse such as present power industry, mine industry or ash residue storehouse are built a dam and are mostly adopted tailings manually to choose traditional damming methods such as build a dam in dam, compaction type, loose rock dam, utilize before the dam that thick tailings or flyash, clay, massif slag stone roll, the stone heap is built a dam, a kind of more traditional technique of building a dam, lay, roll after the designing technique index that reaches certain constantly construction in layer by layering, reach designing requirement.The existing ash disposal area drawback that technique exists of building a dam has: the different ash disposal areas ground situation of building a dam is different, as soft base, because dam foundation phreatic line is higher, big machinery such as excavator, loader etc. can't flatten ground and roll, and can't clear up ground and roll ground; Roll when building a dam construction, dam material does not reach optimum moisture content, needs dam material is tedded, and easily produces dust pollution, and surrounding enviroment are impacted; Roll the construction technology operation of building a dam more, need to drop into more large-scale construction equipment, have larger noise pollution in construction period; And running into the rainy weather site road, can not to satisfy Construction traffic current, easily causes dam construction to interrupt, and the duration is impacted, and slows down construction speed, and construction cost is higher, and the engineering overall cost is higher; Roll in addition the construction of building a dam near the pool, the construction operation poor stability, measure cost is high, and the duration is easier to influenced.

Summary of the invention

The technical problems to be solved in the utility model is to provide the woven geotechnical fabric bag heap of a kind of full tailings hydraulic reclamation split yarn and builds a dam, particularly relate to the mould bag of Tailings Dam water lime-ash, lime-ash lotion and the full tailings hydraulic reclamation of lime-ash through dewatering and coagulating, the staggered heap of layering is built and is formed mould bag dam body, dam body heap builds that construction technology is simple, environmental protection, that expense is cheap, heap is built is firm, stable, and the safety of dam body performance is high.

The technical solution adopted in the utility model is: the woven geotechnical fabric bag heap of a kind of full tailings hydraulic reclamation split yarn is built a dam, it is characterized in that comprising that multilayer film bag heap builds layer, every layer of mould bag heap is built layer to be had the woven geotechnical fabric bag of split yarn of tailings to pile up successively along dam body length, width by a plurality of hydraulic reclamations to form, mutually be overlapped to form in twos the overlap joint section on the dam body length direction between adjacent mould bag, the overlap joint segment length is not less than 1m, mutually stagger on the dam body length direction between the adjacent mould bag of dam body width, the length that staggers is not less than 1/3 of mould bag length; The mould bag that the upper and lower mould bag heap that faces is mutually built upper and lower corresponding in layer is in dam body length, width stagger respectively its mould bag length, more than 1/3 of width.

Further, described mould bag length 20-60m, width 1-20m, height 0.5-0.6m, mould bag top broad ways arranges an above tailings slurry perfusing hole along mould bag length direction of row; Mould bag 1-7m fabric width is arranged single tailings slurry perfusing hole, and the mould bagging of 8-12m fabric width is put double tailings slurry perfusing hole, and the mould bagging of 13-20m fabric width is put three last person's slag slurry perfusing holes; The mould bag is made with line and is adopted the high-quality nylon wire, and the wall scroll linear slit is no less than three times; The length of tailings slurry perfusing hole is 50cm, and diameter is 20cm.

Further, the described mould bag heap planeness of building mould bag top in layer be controlled at ± 5cm in.

Again further, the orlop mould bag that described multilayer film bag heap is built layer is piled to build and is furnished with the infiltration piping under layer, the infiltration piping comprises supervisor, branched pipe and outlet pipe, supervisor arranges along dam body axis of dam direction, a plurality of branched pipes are along being evenly arranged perpendicular to dam body axis of dam direction, a plurality of branched pipes are communicated with supervisor, every 80-120m, an outlet pipe are set on supervisor, the external appointment return water system of outlet pipe; Supervisor and branched pipe select steel work row to ooze flexible pipe, and outlet pipe is selected steel pipe or three type PA tubes; The axis horizontal face of supervisor and branched pipe is lower than dam body dam foundation plane.

Adopt above technical scheme, the beneficial effects of the utility model are: in same layer more than the adjacent mould bag of dam body length direction overlap joint 1m, after the filling of mould bag without the width gap, the switching performance between the enhancement mode bag; The adjacent mould bag of dam body width more than 1/3 of its length of staggering in same layer strengthens the supporting capacity of dam body width, improves security performance; In upper and lower layer, upper and lower adjacent mould bag is in dam body length and width more than 1/3 of its length, width of all staggering, and mould bag layer stability is conducive to improve dam body building, safety in utilization; After adopting on the dam foundation many steel work rows to ooze the flexible pipe branched pipe to ooze out, by supervisor and outlet pipe discharge, in addition mortar natural evaporation forms the three-dimensional water discharge of dam body thus, saves in a large number the dam body discharging consolidation time, has compressed the engineering time; In work progress, 80% water will be the storage cistern that is discharged into regularly appointment simultaneously, reduce the loss of Space evaporation, improve greatly the utilization rate of water resource; The mould bag laterally by angle and the lacing wire of mould bag fix, length direction is by the fixing sideline of packed stone, mould bag hydraulic reclamation molding structure is stable, it is firm that heap is built, and is conducive to improve safety of dam body.

the utility model is with tailings storehouse tailings conveying hydraulic reclamation mould bag, the mould bag longitudinal lap joint of tailings is arranged by hydraulic reclamation, transversion malposition is assemblied to form mould bag layer, pile by multimode bag layer the body of building a dam, placement in layers forms mould bag dam body technique and need not the tailings Secondary Transport, technique is simple, easy to operate, security performance is high, save construction cost, without airborne dust, pollution-free, environmental protection construction, the tailings storehouse can normally be discharged and the mould bag is built a dam unaffected, the anti-aging of mould bag dam body, the antiscour security performance is high, rainwater weather energy normal construction, the dam body rate of climb is fast, twice laid extends tailings storehouse service life, be applicable to ash storage yard of power plant, the mine mine tailing storehouse in metallurgy industry is increased equivalent type reservoir area transformation and is increased application, has stronger application value.

Description of drawings

Fig. 1 is the utility model dam body width schematic cross-section;

Fig. 2 is the utility model dam body length direction schematic cross-section.

In figure: mould bag 1,2, overlap joint section 3.

The specific embodiment

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.

Shown in Fig. 1,2, the woven geotechnical fabric bag of a kind of full tailings hydraulic reclamation split yarn heap is built a dam and is comprised that multilayer film bag heap builds layer, every layer of mould bag heap is built layer to be had the woven geotechnical fabric bag of split yarn of tailings to pile up successively along dam body length, width by a plurality of hydraulic reclamations to form, overlap joint section 3 mutually in twos between adjacent mould bag 1,2 on the dam body length direction, overlap joint section 3 length are not less than 1m, mutually stagger on the dam body length direction between the adjacent mould bag of dam body width, the length that staggers is not less than 1/3 of mould bag length; The mould bag that the upper and lower mould bag heap that faces is mutually built upper and lower corresponding in layer is in dam body length, width stagger respectively its mould bag length, more than 1/3 of width; Mould bag length 20-60m, width 1-20m, height 0.5-0.6m, mould bag top broad ways arranges an above tailings slurry perfusing hole along mould bag length direction of row; Mould bag 1-7m fabric width is arranged single tailings slurry perfusing hole, and the mould bagging of 8-12m fabric width is put double tailings slurry perfusing hole, and the mould bagging of 13-20m fabric width is put three last person's slag slurry perfusing holes; The mould bag is made with line and is adopted the high-quality nylon wire, and the wall scroll linear slit is no less than three times; The length of tailings slurry perfusing hole is 50cm, and diameter is 20cm; The planeness that bag heap is built mould bag top in layer is controlled at ± 5cm in; The orlop mould bag that described multilayer film bag heap is built layer is piled to build and is furnished with the infiltration piping under layer, the infiltration piping comprises supervisor, branched pipe and outlet pipe, supervisor arranges along dam body axis of dam direction, a plurality of branched pipes are along being evenly arranged perpendicular to dam body axis of dam direction, a plurality of branched pipes are communicated with supervisor, every 80-120m, an outlet pipe is set on supervisor, the external appointment return water system of outlet pipe; Supervisor and branched pipe select steel work row to ooze flexible pipe, and outlet pipe is selected steel pipe or three type PA tubes; The axis horizontal face of supervisor and branched pipe is lower than dam body dam foundation plane.

Claims

1. the woven geotechnical fabric bag heap of full tailings hydraulic reclamation split yarn is built a dam, it is characterized in that: comprise that multilayer film bag heap builds layer, every layer of mould bag heap is built layer to be had the woven geotechnical fabric bag of split yarn of tailings to pile up successively along dam body length, width by a plurality of hydraulic reclamations to form, mutually be overlapped to form in twos the overlap joint section on the dam body length direction between adjacent mould bag, the overlap joint segment length is not less than 1m, mutually stagger on the dam body length direction between the adjacent mould bag of dam body width, the length that staggers is not less than 1/3 of mould bag length; The mould bag that the upper and lower mould bag heap that faces is mutually built upper and lower corresponding in layer is in dam body length, width stagger respectively its mould bag length, more than 1/3 of width.

2. the woven geotechnical fabric bag heap of a kind of full tailings hydraulic reclamation split yarn according to claim 1 is built a dam, it is characterized in that: described mould bag length 20-60m, width 1-20m, height 0.5-0.6m, mould bag top broad ways arranges an above tailings slurry perfusing hole along mould bag length direction of row; Mould bag 1-7m fabric width is arranged single tailings slurry perfusing hole, and the mould bagging of 8-12m fabric width is put double tailings slurry perfusing hole, and the mould bagging of 13-20m fabric width is put three last person's slag slurry perfusing holes; The mould bag is made with line and is adopted the high-quality nylon wire, and the wall scroll linear slit is no less than three times; The length of tailings slurry perfusing hole is 50cm, and diameter is 20cm.

3. the woven geotechnical fabric bag of a kind of full tailings hydraulic reclamation split yarn according to claim 1 heap is built a dam, and it is characterized in that: the planeness that described mould bag heap is built mould bag top in layer is controlled at ± 5cm in.

4. the woven geotechnical fabric bag heap of a kind of full tailings hydraulic reclamation split yarn according to claim 1 is built a dam, it is characterized in that: the orlop mould bag that described multilayer film bag heap is built layer is piled to build and is furnished with the infiltration piping under layer, the infiltration piping comprises supervisor, branched pipe and outlet pipe, supervisor arranges along dam body axis of dam direction, a plurality of branched pipes are along being evenly arranged perpendicular to dam body axis of dam direction, a plurality of branched pipes are communicated with supervisor, every 80-120m, an outlet pipe are set on supervisor, the external appointment return water system of outlet pipe; Supervisor and branched pipe select steel work row to ooze flexible pipe, and outlet pipe is selected steel pipe or three type PA tubes; The axis horizontal face of supervisor and branched pipe is lower than dam body dam foundation plane.