阅读说明：本技术 一种用于滑雪道环境治理的铁尾矿混凝土试件及施工方法 (Iron tailing concrete test piece for ski-run environmental management and construction method ) 是由 张会芳 陈汇鋆 郭艳萍 黄笑蕴 柴筱立 魏文博 刘海静 丁勇 闫志刚 李云飞 常 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种用于滑雪道环境治理的铁尾矿混凝土试件及施工方法,属于滑雪道生态环境治理技术领域,其包括第一试块和第二试块,第一试块具有凹陷部,第二试块具有凸起部；在第一试块和第二试块组装施工时,第二试块的凸起部与第一试块的凹陷部配合,以实现第一试块和第二试块之间的固定；第一试块和第二试块均设置有用于植物生长的贯穿通孔。本发明采用了耐低温尾矿混凝土、具有透水、渗水、蓄水、植生等特殊性能的尾矿混凝土,更适用于环境治理工程；试块中间的横向开口便于植物生长,深开口能够减少由于流水冲刷导致水土流失。(The invention discloses an iron tailing concrete test piece for ski run environmental management and a construction method, belonging to the technical field of ski run ecological environmental management, and comprising a first test block and a second test block, wherein the first test block is provided with a concave part, and the second test block is provided with a convex part; when the first test block and the second test block are assembled and constructed, the protruding part of the second test block is matched with the recessed part of the first test block so as to realize the fixation between the first test block and the second test block; the first test block and the second test block are provided with through holes for plant growth. The invention adopts the low temperature resistant tailing concrete and the tailing concrete with special performances of water permeability, water seepage, water storage, plant growth and the like, and is more suitable for environmental management engineering; the horizontal opening in the middle of the test block is convenient for plant growth, and the deep opening can reduce soil erosion and water loss caused by flowing water scouring.)

1. An iron tailing concrete test piece for ski run environment treatment is characterized by comprising a first test block and a second test block, wherein the first test block is provided with a concave part, and the second test block is provided with a convex part; when the first test block and the second test block are assembled and constructed, the protruding part of the second test block is matched with the recessed part of the first test block, so that the first test block and the second test block are fixed; the first test block and the second test block are provided with through holes for plant growth.

2. The iron tailing concrete test piece for ski run environmental management as claimed in claim 1, wherein the first test piece comprises a first transverse plate, a second transverse plate and a third transverse plate which are arranged in sequence, and the contour edge of the second transverse plate is smaller than the contour edges of the first transverse plate and the third transverse plate to form a concave part.

3. The iron tailing concrete test piece for ski run environment management as claimed in claim 2, wherein the second test piece comprises a fourth transverse plate, a fifth transverse plate and a sixth transverse plate which are arranged in sequence, and the contour edge of the fifth transverse plate is larger than the contour edges of the fourth transverse plate and the sixth transverse plate to form a protruding part.

4. The iron tailing concrete test piece for ski run environmental management as claimed in claim 3, wherein the first test piece is provided with a first through hole for plant growth in a normal direction of the upper surface of the first cross plate.

5. The iron tailing concrete test piece for ski run environment improvement as claimed in claim 4, wherein the second test piece is provided with a second through hole for plant growth in a normal direction of the upper surface of the fourth cross plate.

6. The iron tailing concrete test piece for the environmental improvement of the ski run according to claim 5, wherein the first test piece and the second test piece are both formed by integrally pouring iron tailing concrete, the iron tailing concrete is prepared from iron tailing powder, cement, desulfurized gypsum, lime and calcium stearate, aluminum powder is used as a gas former, and soluble oil or oxidized paraffin soap is used as a foam stabilizer.

7. The iron tailing concrete test piece for the environmental management of the ski slopes as claimed in claim 6, wherein in the preparation material of the iron tailing concrete, the mass ratio of iron tailing powder, cement, lime and desulfurized gypsum is 62:10:25:3, wherein the aluminum powder accounts for 0.06% of the total mass; the foam stabilizer accounts for 0.09 percent of the total mass; the calcium stearate accounts for 3 percent of the total mass, and the water-material ratio is 0.66; the density strength of the iron tailing concrete meets the requirement of the standard B08.

8. The iron tailing concrete test piece for environmental management of ski slopes as claimed in claim 6, wherein the iron tailing powder is replaced with a mixed material of iron tailing powder and fly ash.

9. A construction method of an iron tailing concrete test piece for ski-run environmental improvement, which is characterized in that the iron tailing concrete test piece for ski-run environmental improvement of any one of claims 1 to 8 is adopted for construction, and the construction method comprises the following steps:

s10, paving geotextile reverse filter materials at the lower paving part of the iron tailing concrete test piece, and vertically inserting pins or anchor rods every 2-3 m for fixing;

s20, paving a first layer of iron tailing concrete test piece on the top of the grouted block stone at the bottommost part of the snow road, and leveling the top of the grouted block stone by using cement mortar before paving; when the first layer of iron tailing concrete test piece is laid, the first test block and the second test block are laid adjacently, so that the concave part of the first test block and the convex part of the second test block are mutually occluded and fixed;

and S30, filling the engaging gap between the concave part of the first test block and the convex part of the second test block with cement mortar to increase the firmness degree and ensure that the test block is laid straight.

10. The construction method of the iron tailing concrete test piece for the environmental improvement of the ski slopes as claimed in claim 9, wherein the geotextile filter material is a non-woven fabric.

Technical Field

The invention belongs to the technical field of ski run ecological environment treatment, and particularly relates to an iron tailing concrete test piece for ski run environment treatment and a construction method.

Background

Along with the continuous rise of the economic level of China, the living standard and the cultural standard of people are continuously improved, and the amateur leisure mode of people is more and more. Skiing is a sport which can strengthen the body and mind and relieve pressure, is deeply loved and crowded by people and becomes an important project for modern sports and tourism.

The site selection of the ski field is basically positioned in places with proper slopes such as mountainous regions, hills and the like, and tree vegetation is usually completely eliminated in the process of building the ski field slideway, so that water and soil loss in the ski field area is easy to occur; meanwhile, the construction of the ski field also requires considerable stability and safety, and after the ski field is constructed, the ski field is often low in strength or not suitable for a low-temperature environment, so that the ski field is cracked or damaged, and the life safety of skiers is influenced.

In addition, as the construction process of the ski run harms the surrounding ecological environment, when ice and snow melt or the amount of rainwater is large in summer, particularly the storage, dredging and discharge work of the ice and snow melt water is not good for treatment, the surrounding environment of the ski field is affected to a great extent, and potential safety hazards also exist.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme:

an iron tailing concrete test piece for ski run environment treatment comprises a first test block and a second test block, wherein the first test block is provided with a concave part, and the second test block is provided with a convex part; when the first test block and the second test block are assembled and constructed, the protruding part of the second test block is matched with the recessed part of the first test block, so that the first test block and the second test block are fixed; the first test block and the second test block are provided with through holes for plant growth.

Further, the first test block comprises a first transverse plate, a second transverse plate and a third transverse plate which are sequentially arranged, and the contour edge of the second transverse plate is smaller than that of the first transverse plate and that of the third transverse plate to form a concave portion.

Further, the second test block comprises a fourth transverse plate, a fifth transverse plate and a sixth transverse plate which are sequentially arranged, and the contour edge of the fifth transverse plate is larger than that of the fourth transverse plate and that of the sixth transverse plate to form a protruding portion.

Further, in the normal direction of the upper surface of the first transverse plate, the first test block is provided with a first through hole for plant growth.

Further, in the normal direction of the upper surface of the fourth transverse plate, the second test block is provided with a second through hole for plant growth.

Further, the first test block and the second test block are formed by integrally pouring iron tailing concrete, the iron tailing concrete is prepared from iron tailing powder, cement, desulfurized gypsum, lime and calcium stearate, aluminum powder is used as a gas former, and soluble oil or oxidized paraffin soap is used as a foam stabilizer.

Further, in the preparation material of the iron tailing concrete, the mass ratio of iron tailing powder, cement, lime and desulfurized gypsum is 62:10:25:3, wherein the aluminum powder accounts for 0.06% of the total mass; the foam stabilizer accounts for 0.09 percent of the total mass; the calcium stearate accounts for 3 percent of the total mass, and the water-material ratio is 0.66; the density strength of the iron tailing concrete meets the requirement of the standard B08.

Further, the iron ore tailings powder can be replaced by a mixed material of the iron ore tailings powder and the fly ash.

A construction method of an iron tailing concrete test piece for ski run environment treatment is adopted for construction, and the construction method comprises the following steps:

s10, paving geotextile reverse filter materials at the lower paving part of the iron tailing concrete test piece, and vertically inserting pins or anchor rods every 2-3 m for fixing;

s20, paving a first layer of iron tailing concrete test piece on the top of the grouted block stone at the bottommost part of the snow road, and leveling the top of the grouted block stone by using cement mortar before paving; when the first layer of iron tailing concrete test piece is laid, the first test block and the second test block are laid adjacently, so that the concave part of the first test block and the convex part of the second test block are mutually occluded and fixed;

and S30, filling the engaging gap between the concave part of the first test block and the convex part of the second test block with cement mortar to increase the firmness degree and ensure that the test block is laid straight.

Further, the geotextile reverse filter material is a non-woven fabric.

Has the advantages that:

the iron tailing concrete test piece for the environmental management of the ski run provided by the invention adopts low-temperature-resistant tailing concrete and tailing concrete with special properties of water permeability, water seepage, water storage, vegetation and the like, and is more suitable for environmental management engineering; the transverse opening in the middle of the test block is convenient for plant growth, and the deep opening can reduce water and soil loss caused by flowing water scouring; gaps between adjacent test blocks are filled with cement mortar, so that the difficulty of construction is reduced, the problem of fixation between the adjacent test blocks is solved, and the water and soil loss is well avoided while the stability and safety of the requirements of a skiing field are met.

Drawings

FIG. 1 is an assembled view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of a first test block;

FIG. 3 is a front view of a first block;

FIG. 4 is a top view of a first block;

FIG. 5 is a schematic perspective view of a second block;

FIG. 6 is a front view of a second test block;

FIG. 7 is a top view of a second block;

wherein, 1, a first test block; 11. a first transverse plate; 12. a second transverse plate; 13. a third transverse plate; 14. a first through hole; 2. a second test block; 21. a fourth transverse plate; 22. a fifth transverse plate; 23. a sixth transverse plate; 24. a second via.

Detailed Description

Example 1

An iron tailing concrete test piece for ski run environmental management comprises a first test block 1 and a second test block 2, wherein the first test block 1 is provided with a concave part, and the second test block 2 is provided with a convex part; when the first test block 1 and the second test block 2 are assembled, the convex part of the second test block 2 is matched with the concave part of the first test block 1 so as to realize the fixation between the first test block 1 and the second test block 2; the first test block 1 and the second test block 2 are both provided with through holes for plant growth.

In this embodiment, the first test block 1 includes a first transverse plate 11, a second transverse plate 12 and a third transverse plate 13, which are sequentially arranged, and the contour edge of the second transverse plate 12 is smaller than the contour edges of the first transverse plate 11 and the third transverse plate 13 to form a concave portion;

the second test block 2 includes a fourth transverse plate 21, a fifth transverse plate 22 and a sixth transverse plate 23 which are arranged in sequence, and a convex portion is formed at the contour edge of the fifth transverse plate 22 which is larger than the contour edges of the fourth transverse plate 21 and the sixth transverse plate 23.

When the first test block 1 and the second test block 2 are assembled, the protruding portion of the second test block 2 is inserted into the recessed portion of the first test block 1, so that the first test block 1 and the second test block 2 are matched and fixed.

In the present embodiment, in the normal direction of the upper surface of the first horizontal plate 11, the first test block 1 is provided with a first through hole 14 for plant growth; the second block 2 is provided with a second through hole 24 for plant growth in the normal direction of the upper surface of the fourth cross plate 21.

In this embodiment, the first through hole and the second through hole are both strip-shaped; the number of first through-hole and second through-hole is 1 at least, preferably 2, and 2 bar through-holes parallel arrangement.

In this embodiment, the first test block 1 and the second test block 2 are both formed by integrally casting iron tailing concrete.

In this embodiment, the iron tailing concrete is prepared from iron tailing powder, cement, desulfurized gypsum, lime, and calcium stearate, wherein aluminum powder is used as a gas former, and soluble oil or oxidized paraffin soap is used as a foam stabilizer.

Wherein in the preparation material of the iron tailing concrete, the mass ratio of iron tailing powder, cement, lime and desulfurized gypsum is 62:10:25:3, wherein the aluminum powder accounts for 0.06 percent of the total mass; the foam stabilizer accounts for 0.09 percent of the total mass; the calcium stearate accounts for 3 percent of the total mass, and the water-material ratio is 0.66; the density strength of the iron tailing concrete meets the requirement of the standard B08.

In another embodiment, the iron ore tailings may be replaced with a blended material of iron ore tailings powder and fly ash.

Example 2

A construction method of an iron tailing concrete test piece for ski run environment treatment is adopted for construction, the iron tailing concrete test piece for ski run environment treatment provided by embodiment 1 is adopted for construction, and the construction method comprises the following steps:

s10, laying geotextile reverse filtering materials on the lower laying part of the iron tailing concrete test piece, and vertically inserting pins or anchor rods every 2-3 m for fixing.

S20, paving the first layer of iron tailing concrete test piece on the top of the grouted block stone at the bottommost part of the snow road, and leveling the top of the first layer of iron tailing concrete test piece by cement mortar before paving.

When the first layer of iron tailing concrete test piece is laid, the first test block 1 and the second test block 2 are laid adjacently, and the concave part of the first test block 1 and the convex part concave-convex part of the second test block 2 are mutually occluded and fixed.

And S30, filling the occlusion gaps of the concave part of the first test block 1 and the convex part of the second test block 2 with cement mortar to increase the firmness degree and ensure that the pavement is straight.

In this embodiment, the geotextile filter material is a nonwoven fabric.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.