CN204626423U - Feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure - Google Patents

Feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure Download PDF

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Publication number
CN204626423U
CN204626423U CN201520244658.7U CN201520244658U CN204626423U CN 204626423 U CN204626423 U CN 204626423U CN 201520244658 U CN201520244658 U CN 201520244658U CN 204626423 U CN204626423 U CN 204626423U
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China
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slope
domatic
feldspathic sandstone
flexible
bank protection
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CN201520244658.7U
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Chinese (zh)
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沈鑫
吴智仁
杨智良
吴照学
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Anhui Agricultural University AHAU
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Anhui Agricultural University AHAU
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Abstract

The utility model relates to a kind of feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure, comprise slope body structure, described slope body structure is divided into mild top, slope, tool is acclive domatic, domatic lower end is toe, top arranges one or several water storage kiln on slope, domatic upper laying flexible net, flexible net by connector be fixed on domatic on, flexible net sprays cementing material solution simultaneously, cementing material solution cured top layer feldspathic sandstone, the utility model decreases soil erosion that feldspathic sandstone causes and improves its characteristic, make it have excellent mechanical property, UV resistant degradation property, weather-proof, water erosion and mass erosion performance, freeze thawing resistance, water conservation, insulation, the combination properties such as fertilizer conservation, with plant green hand's method and be combined and can promote vegetation recovery, the effect of effective raising water and soil conservation.

Description

Feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure
Technical field
The utility model relates to technical field of civil engineering, particularly improves semifinished product and glaze surface soil structure, reduces soil erosion situation.
Background technology
In the Jin-Shan-Meng adjacent area of the Huanghe valley, be dispersed with and be commonly called as ravelly ground into " feldspathic sandstone " by locals, it specifically refers to the rock alternating layers of the Permian Period in the Paleozoic Era, Triassic period in Mesozoic Era, Jurassic Period and cretaceous thick-layer sandstone, sand shale and argillaceous sandstone composition.This stratum is continental clastic system, because its superincumbent stratum thickness is little, pressure is low, causes that its diagenetic grade is low, degree of consolidation is poor between the grains of sand, structural strength is low.Its anhydrous as hard as flint, chance water is then soft as mud, due to natural, humanistic environment that this rock stratum own physical, chemical property and locality are special, this rock stratum is made very easily weathering and erosion to occur, the masses endanger by its soil erosion deeply, depending on its harm poison as arsenic, therefore are called " feldspathic sandstone ".Due to semifinished product and glaze land occupation condition difference water resources shortage in addition, biological control measure is difficult to implement in full; In this type of slope ecological reparation, also must consider that periphery natural environment, phytoremediation such as to coordinate mutually at the factor.Under this background, feldspathic sandstone adopt the engineering method of consolidation growth-promoting receive publicity and implemented.
For solving the anhydrous as hard as flint of feldspathic sandstone, meet water then soft problem as this in mud, domestic existing scholar's research also proposes multiple different control measures, but effect is not ideal.This measure is by feldspathic sandstone surface spraying cementing material, makes exposed earth's surface form bonding course, improves its surface soil structure, strengthen earth's surface resistance to overturning, reduce soil erosion; Linked network spraying can strengthen spraying consolidation effect further.Owing to reducing the penetrating power of upper soll layer after the consolidation of top layer, build micro-profit system, collect rainwater or artificial recharge as water source, for growth-promoting district vegetation growth provides necessary moisture by catchwater and water pit.In addition, by implementing at Po Ding, toe the ecological effect that greening promotes slope treatment further.
Utility model content
Technical problem to be solved in the utility model to provide one to improve semifinished product and glaze surface soil structure, strengthen earth's surface resistance to overturning, and reduce soil erosion situation, promote the mode of vegetation growth, the technical scheme realizing above-mentioned purpose is as follows:
Feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure, comprise slope body structure, described slope body structure is divided into top, mild slope, tool acclive domatic, domatic lower end is toe, it is characterized in that: slope top on one or several water storage kiln is set, domatic upper laying flexible net, flexible net by connector be fixed on domatic on, flexible net sprays cementing material solution, cementing material solution cured top layer feldspathic sandstone simultaneously.
Preferably, domaticly arrange the mild packway in a place every 6-8m, packway strengthens slope stability.
Preferably, also comprise feed pipe, under domatic, bury micro-profit guard system underground, described micro-profit guard system comprises micro-profit pipe, supervisor, and wherein supervisor is communicated with feed pipe, the several micro-profit pipe of distribution on supervisor, feed pipe is communicated with water storage kiln simultaneously, and the water in water storage kiln is flowed out in micro-profit pipe by feed pipe.Micro-profit pipe, feed pipe can arrange screen pack in water pit import department, prevent line clogging.
Preferably, the bottom of water pit and Jiao Bi lay linked network, in linked network, spray cementing material solution simultaneously, make cementing material solution form cured layer.
Preferably, arrange catchwater near water storage kiln, catchwater is communicated with water storage kiln, and the rainwater that catchwater is collected enters water storage kiln.
Preferably, the described domatic gradient is 35 degree of-55 degree, and described connector is U-shaped fixture.Angle between 35 degree of-55 degree is based on horizontal plane, is domatic and angle between horizontal plane.
Preferably, described feed pipe is flexible duct.
Preferably, described supervisor arranges reducing valve, the micro-profit pipe of each reducing valve control 3-4 root.
Preferably, linked network is laid in the bottom of catchwater, furrow bank, in linked network, spray cementing material solution simultaneously.Cementing material solution cured top layer feldspathic sandstone, strengthens catchwater stability.
Preferably, arrange retaining wall under toe, the lower end of retaining wall arranges gutter, and gutter is communicated with water conservancy projects.
Advantageous Effects of the present invention is: the soil erosion that minimizing feldspathic sandstone causes also improves its characteristic, make it have the combination properties such as excellent mechanical property, UV resistant degradation property, weather-proof, water erosion and mass erosion performance, freeze thawing resistance, water conservation, insulation, fertilizer conservation, with plant green hand's method and be combined and can promote vegetation recovery, effectively improve the effect of water and soil conservation.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention
Fig. 2 is micro-profit pipe work system drawing
Fig. 3 is catchwater sectional view
Fig. 4 is water storage kiln sectional view
Fig. 5 is water storage kiln top view
Figure number illustrates: top, slope 1, domatic 2, water storage kiln 3, flexible net anchor 4, packway 5, retaining wall 6, gutter 7, road 8, micro-profit pipe 9, linked network 10, catchwater 11, reducing valve 12, supervisor 13, feed pipe 14
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In figure, feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure, comprise slope body structure, described slope body structure is divided into mild top, slope 1, tool acclive domatic 2, the bottom of domatic 2 is toe, top arranges one or several water storage kiln 3 on slope, domatic upper laying flexible net 10, flexible net by connector be fixed on domatic on, described connector is flexible net anchor 4, and flexible net anchor can be U-shaped fixture, such as U-shaped reinforcing bar, flexible net sprays cementing material solution, cementing material solution cured top layer feldspathic sandstone simultaneously.The solution cured rear formation slope table surface composite material cured layer of cementing material; its major function can reduce rainwater to domatic erosion; form topping; reduce soil erosion amount; simultaneously moisture infiltrates domatic degree and greatly reduces; domaticly arrange the mild packway in a place 5 every 6-8m, packway 5 strengthens domatic stability.Arrange retaining wall 6 under toe, the lower end of retaining wall arranges gutter 7, and gutter 7 is communicated with the water conservancy projects of road 8 simultaneously or directly arranges with water conservancy and is communicated with.
Domaticly bury micro-profit guard system for 2 times underground, described micro-profit guard system comprises micro-profit pipe 9, supervisor 13, and supervisor 13 is communicated with feed pipe 14, and feed pipe 14 is communicated with water storage kiln 3 simultaneously, supervisor distributes several micro-profit pipe 9, and the water in water storage kiln is flowed out in micro-profit pipe 9 by feed pipe 14.
Arrange catchwater 11 near water storage kiln, catchwater 11 is communicated with water storage kiln 3, and the rainwater that catchwater is collected enters water storage kiln.Micro-profit pipe arranges reducing valve 12, the micro-profit pipe of each reducing valve 12 control 3-4 root.
Slope is pushed up: Po Ding district physical features is mild, and build catchwater for collecting top, slope rainwater, the rainwater of collection is stored in water pit, is communicated with the water cell near the water pit moisturizing scope of operation, reduces moisturizing difficulty when also can be used for artificial recharge; In work progress, the bottom of the bottom of trench of catchwater and side slope, water pit and Jiao Bi equal linked network spraying cementing material solution, form cured layer, and spraying is coated with knot material solution within the scope of entrance of cellar and catchwater top both sides 0.5m.The macrophytes such as drought-enduring sea-buckthorn and Chinese pine are planted in Po Ding district, and Po Ding sows on earth's surface drought-enduring grass seeds etc. and afforests.
Domatic: the domatic gradient of Artificial Side-slope, generally about 1: 1, domaticly arranges place's packway, to strengthen slope stability every 6-8m.With U-shaped reinforcing bar fixing flexible net after sloping surface arrangement; and spray cementing material solution cured top layer feldspathic sandstone; form slope table surface composite material cured layer; major function is reduce rainwater to domatic erosion; form topping; reduce soil erosion amount, the degree that the infiltration of moisture is domatic simultaneously greatly reduces.Therefore, in order to improve the survival rate of side slope district plant, adopting micro-profit irrigation practice, laying micro-profit guard system in side slope district.
Micro-profit pipe adopts top, slope water pit to supply water, and the Lay interval of micro-profit pipe is 60cm, and the depth of burying is 5 ~ 10cm, and inner pipe water pressure is about 2.5kPa.Micro-profit pipe is flexible duct with water pit feed pipe between the two.Supervisor arranges reducing valve, the micro-profit pipe of each reducing valve control 3-4 root, spacing between adjacent micro-profit pipe is 0.6m, water supply control range is each 0.3m up and down, micro-profit pipe tail end snap joint that each reducing valve controls connects, form shunt circuit, prevent micro-profit pipe from causing whole cannot use because of joint failure, micro-profit guard system arrange as Fig. 2 no.
Domatic and packway, all as planting raw land used, based on drought-enduring draft and small shrub on domatic, packway can be planted large-scale cold-resistant shrub, arbor, as sea-buckthorn, Chinese pine etc.
Toe: toe district builds retaining wall, and to maintain the stability of toe, wall height is 1-1.5m, adopts stone masonry structure.Gutter is established outside barricade and between road, to get rid of domatic unnecessary rainwater conflux, the safety of protection road and other facilities.Low brushwood can be planted and herbaceous plant is afforested between the facility such as gutter and road.
Concrete Artificial Side-slope bank protection engineering method is as follows:
(1) domatic cleaning:
Remove scope of operation foreign material and loosening sillar, soil block, the corner angle on domatic corner and top, slope are repaired, makes it curved, the rock that local is outstanding and soil block should remove or carry out cutting slope process, as far as possible that the scope of operation is smooth, be beneficial to construction, increase scope of operation afforestation effect.
(2) linked network
Linked network adopts single-layer flexible net, and the mesh length of side is not more than 5cm.Fixing anchor adopts U-shaped reinforcing bar, length should not be less than 50cm, if soil property is broken, loose, its length use suitably can be increased, with fixing flexible net, anchor is indulged horizontal spacing 2m and is controlled, local need be encrypted place and be controlled by vertical horizontal spacing 1m, first unreels flexible net and is layered on domatic, then squeeze into anchor from top to bottom during linked network construction, adjacent two volume flexible net junctions require the overlap of 20cm, and fix with anchor.
(3) catchwater
Whether the setting of catchwater appropriately and is rationally directly connected to the collection of scope of operation rainwater, affects the growing environments such as vegetation water supply, and catchwater should be arranged on that slope is very useful collects rainwater.During construction, plan-position, size all should meet designing requirement, as shown in Figure 3
Bottom catchwater, furrow bank needs linked network and sprays cementing material solution, and within the scope of the outer 0.5m of ditch top curve, earth's surface spraying cementing material solution, forms thick 5cm bonding course, strengthen catchwater stability.
(4) water pit
Channel excavation---water pit excavator excavation is tentatively shaping, and manually repair, the feldspathic sandstone of excavation is thrown aside nearby, strictly controls groove dimensions in digging process, and plan-position, size etc. need to meet designing requirement, as shown in Figure 4.
Spraying---after water pit digs and makes bottom water pit and the wall hanging net spray cementing material solution of cellar for storing things, spray cementing material solution kilneye periphery 0.5m within the scope of, form thick 5cm bonding course, the structural stability of enhancing water pit.
(5) micro-profit pipe is laid
The amount of precipitation annual at semifinished product and glaze is little, and on domatic the easy erosion feldspathic sandstone of rainwater, cause serious soil erosion, can not infiltrate fully in arsenic sandstone, and certain thickness bonding course can be formed on surface after cementing material on spraying on feldspathic sandstone, this is while minimizing feldspathic sandstone runs off, and the infiltration capacity of moisture greatly reduces.Therefore, in order to improve the survival rate of growth-promoting district plant, adopt micro-profit irrigation practice, at the micro-profit pipe of domatic laying.
Micro-profit pipe is laid on domatic, and adopt top, slope water pit to supply water, the Lay interval of micro-profit pipe is 60cm, and the piping laying degree of depth is 5-10cm, and compacting answered by overburden soil.The supervisor of micro-profit pipe is provided with reducing valve, each reducing valve control 3-4 root micro-profit pipe, micro-profit pipe tail end snap joint that same reducing valve controls connects, and forms shunt circuit, prevents micro-profit pipe from causing whole cannot use because of joint failure.
Micro-profit pipe should carry out the pressure testing of examination water after having laid, and water outlet and water pressure need meet design load.The pressure testing of examination water when not meeting the demands, should questions and prospect be checked, get rid of in time, change if desired and lay pipe fitting, until can carry out next step construction after meeting design requirement.
Feed pipe should establish screen pack in water pit import department, prevents line clogging.
(6) spray
The concentration of cementing material solution should be prepared according to testing before construction the concentration determined, should abundant agitating solution during preparation, and solution is fully mixed.
Before spraying, reply cementing material solution concentration detects, and concentration range meets the demands and can use.Solution spraying should adopt special equipment.
First connect grug transportation tube, water pipe during use, connect lance head, during startup, muzzle down.
Spraying process should from top to bottom, and should ensure in spraying process that spray solution is even, liquid depth of penetration should reach designing requirement, avoids occurring that secondary spraying is carried out in defective region.
(7) planting and greening
The selection of vegetable seeds---according to operation side soil or scar character, local climate condition, construction seasons, and select the herbaceous plant of well developed root system and Qiao, shrub in conjunction with various plant growth characteristics; And species based on endemic plant, should make secondary vegetation merge with natural, ecological vegetation gradually within the several years from now on, do not appear the vestige manually chiseled and carved.
Seed activity, the purity of sowing---reply buying before grass seeds sowing are monitored, and undesirable seed is forbidden to use.
The density ensureing seed should be noted when broadcasting sowing, avoid occurring situation that is overstocked and that excessively dredge; During late maintaining, reply occurs that the position of bald spot is repaired in time.
(8) operation and maintenance
After having constructed, Wei Run district runs first and should fill in water pit, makes the water yield of system remain on maximum rating and runs, the wetting body in soil is formed as early as possible.
After wetting body is formed and volume reaches the root district volume being enough to contain crop, control valve or water cellar water lev el control micro-profit pipe water yield, avoid moisture to waste, and the suitable humidity of growth-promoting district soil.Soil moisture answers results of regular determination, ensures the growth of slope plants.
The present invention, by feldspathic sandstone surface spraying cementing material, makes exposed earth's surface form bonding course, improves its surface soil structure, strengthen earth's surface resistance to overturning, reduce soil erosion; Linked network spraying can strengthen spraying consolidation effect further.Owing to reducing the penetrating power of upper soll layer after the consolidation of top layer, build micro-profit system, collecting rainwater or artificial recharge as water source by catchwater and water pit, is the moisture promoting that vegetation growth provides necessary.In addition, by implementing at Po Ding, toe the ecological effect that greening promotes slope treatment further.
The present invention is suitable for Artificial Side-slope ecological management and the reinstatement works in feldspathic sandstone matter side slope and road, water conservancy, building, mining area etc.
These are only the preferred embodiment of the utility model embodiment; not in order to limit the utility model embodiment; within all spirit in the utility model embodiment and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included in the protection domain of the utility model embodiment.

Claims (10)

1. feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure, comprise slope body structure, described slope body structure is divided into top, mild slope, tool acclive domatic, domatic lower end is toe, it is characterized in that: slope top on one or several water storage kiln is set, domatic upper laying flexible net, flexible net by connector be fixed on domatic on, flexible net sprays cementing material solution, cementing material solution cured top layer feldspathic sandstone simultaneously.
2. feldspathic sandstone Artificial Side-slope according to claim 1 flexible bank protection engineering method structure, is characterized in that: domaticly arrange the mild packway in a place every 6-8m, and packway strengthens slope stability.
3. feldspathic sandstone Artificial Side-slope according to claim 1 flexible bank protection engineering method structure, it is characterized in that: also comprise feed pipe, micro-profit guard system is buried underground under domatic, described micro-profit guard system comprises micro-profit pipe, supervisor, wherein supervisor is communicated with feed pipe, the several micro-profit pipe of distribution on supervisor, feed pipe is communicated with water storage kiln simultaneously, and the water in water storage kiln is flowed out in micro-profit pipe by feed pipe.
4. feldspathic sandstone Artificial Side-slope according to claim 1 flexible bank protection engineering method structure, is characterized in that: the bottom of water pit and Jiao Bi lay linked network, sprays cementing material solution in linked network simultaneously, makes cementing material solution form cured layer.
5. feldspathic sandstone Artificial Side-slope according to claim 4 flexible bank protection engineering method structure, it is characterized in that: arrange catchwater near water storage kiln, catchwater is communicated with water storage kiln, and the rainwater that catchwater is collected enters water storage kiln.
6. feldspathic sandstone Artificial Side-slope according to claim 1 flexible bank protection engineering method structure, is characterized in that: the described domatic gradient is 35 degree of-55 degree, and described connector is U-shaped fixture.
7. feldspathic sandstone Artificial Side-slope according to claim 3 flexible bank protection engineering method structure, is characterized in that: described feed pipe is flexible duct.
8. feldspathic sandstone Artificial Side-slope according to claim 3 flexible bank protection engineering method structure, is characterized in that: described supervisor arranges reducing valve, the micro-profit pipe of each reducing valve control 3-4 root.
9. feldspathic sandstone Artificial Side-slope according to claim 5 flexible bank protection engineering method structure, is characterized in that: linked network is laid in the bottom of catchwater, furrow bank, sprays cementing material solution simultaneously in linked network.
10. feldspathic sandstone Artificial Side-slope according to claim 1 flexible bank protection engineering method structure, it is characterized in that: arrange retaining wall under toe, the lower end of retaining wall arranges gutter, and gutter is communicated with water conservancy projects.
CN201520244658.7U 2015-04-21 2015-04-21 Feldspathic sandstone Artificial Side-slope flexible bank protection engineering method structure Expired - Fee Related CN204626423U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484275A (en) * 2016-01-12 2016-04-13 中国电建集团贵阳勘测设计研究院有限公司 Reinforcing and anchoring ecological restoration system for high and steep waste slag side slope of wind power plant in mountainous area
CN105544564A (en) * 2016-01-14 2016-05-04 广西大学 Side slope supporting structure capable of preventing rainstorm scouring
CN109168384A (en) * 2018-07-31 2019-01-11 浙江普天园林建筑发展有限公司 It is a kind of to carry out arid and semi-arid lands's prevention and control of soil erosion method using ornamental plant
CN110643367A (en) * 2019-09-23 2020-01-03 亿利资源集团有限公司 Wind erosion preventing slurry and method for soil

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484275A (en) * 2016-01-12 2016-04-13 中国电建集团贵阳勘测设计研究院有限公司 Reinforcing and anchoring ecological restoration system for high and steep waste slag side slope of wind power plant in mountainous area
CN105544564A (en) * 2016-01-14 2016-05-04 广西大学 Side slope supporting structure capable of preventing rainstorm scouring
CN109168384A (en) * 2018-07-31 2019-01-11 浙江普天园林建筑发展有限公司 It is a kind of to carry out arid and semi-arid lands's prevention and control of soil erosion method using ornamental plant
CN110643367A (en) * 2019-09-23 2020-01-03 亿利资源集团有限公司 Wind erosion preventing slurry and method for soil

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