CN2533158Y

CN2533158Y - Earth cellular chamber

Info

Publication number: CN2533158Y
Application number: CN 02225945
Authority: CN
Inventors: 李兰英
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-02-26
Filing date: 2002-02-26
Publication date: 2003-01-29
Anticipated expiration: 2012-02-26

Abstract

The utility model discloses an earth cellular chamber which is formed by interdigitation of swathes. When stretching outward in the direction of vertical to the swath surface, a honeycomb-shaped three-dimensional cellular structure can be formed. The utility model is characterized in that the swath surface of the earth cellular chamber is not in equivalent width. When being utilized, the stress of the earth cellular chamber of the utility model is reasonable. The material of the cellular chamber is utilized effectively, and the sliding resistance between the cellular chamber layer and the under cellular chamber is greatly enhanced. The utility model can be widely utilized in foundation treatment and engineering protection fields.

Description

A kind of geotechnical grid

One) technical field

The utility model relates to a kind of geotechnical grid.

Two) background technology

Geotechnical grid is used more and more general in civil engineering protection, ground are handled, geotechnical grid is by the band be combined into that interlocks in twos, when outwards stretching with direction perpendicular to the bar zone face, can form cellular stereoscopic grid structure, as Fig. 1, Fig. 2 A-A, shown in Figure 3, each bar zone face of this stereoscopic grid geotechnical grid of prior art is identical with the width W of other zone faces, and each band face width degree W also is identical on this band face length degree L direction.

This geotechnical grid is when being used for the ground enhancing, do not distinguish the difference in following main stress district of outer lotus effect and non-main stress district, cause the geotechnical grid waste of material in non-main stress district, the geotechnical grid material is rationally utilized, when increasing its humidification, no matter still in non-main stress district, the geotechnical grid of prior art all is the band face width degree that increase whole geotechnical grid, causes further waste of material in the main stress district; And when the foundation material below institute's underfill material in the geotechnical grid is different from the lattice chamber, perpendicular to geotechnical grid band face width degree direction with bonding surface ground be smooth plane, the geotechnical grid layer is connected defective tightness with ground, can not make the two-layer continuous state that is in, cause stressed unreasonable; When being used for slope protection, though equal altitudes type geotechnical grid makes water erosion, the landslide on geotechnical grid surface obtain stoping, but because each strip width of geotechnical grid all is equal to, perpendicular to band face width degree is direction be and domatic parallel burnishing surface type with domatic bonding surface, like this under the effect of undercurrent, easily form whole slide plane, and will cause the failure of slope protection in the geotechnical grid bottom.

Three), utility model content

The purpose of this utility model is to provide a kind of stressed lattice chamber material, geotechnical grid floor and compact geotechnical grid of lower floor's soil body of rationally, effectively utilizing.

The purpose of this utility model is achieved like this: a kind of geotechnical grid, by the band be combined into that interlocks, when outwards stretching with direction perpendicular to the bar zone face, can form cellular stereoscopic grid structure, it is characterized in that: the bar zone face of described this geotechnical grid of formation is not wide.

Constitute that the bar zone face of geotechnical grid is not wide two kinds of situations: the first has band face width degree and other band face width degree are unequal; It two is to constitute in the band of geotechnical grid to have at least one band, and this root strip width value W is variate on its length direction.

As a kind of form of the present utility model, there are at least one band face width degree and other band face width degree not to wait in the band of described formation geotechnical grid.

As another kind of form of the present utility model, can there be at least one side of band face width degree on this band length direction, to form concavo-convex alternate type in the band of described formation geotechnical grid.

As another kind of form of the present utility model, there is at least one side of band face width degree on this band length direction, to form convex in the band of described formation geotechnical grid.

As another kind of form of the present utility model, there is at least one side of band face width degree on this band length direction, to form matrix in the band of described formation geotechnical grid.

The utility model compared with prior art has the following advantages: because geotechnical grid band face width degree W does not wait, perhaps on whole band length direction, be degree of broadening type, like this perpendicular to geotechnical grid band face width degree direction with ground or domatic bonding surface be non-burnishing surface type, main stress district strip width is increased and make stressed rationally, and can save material, the skid resistance of the soil body contact surface under the geotechnical grid dative chamber is strengthened greatly.

Four), description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Fig. 1 is a prior art geotechnical grid perspective view;

Fig. 2 A-A is the A-A cross sectional view of Fig. 1 geotechnical grid;

Fig. 3 is for constituting the band perspective view of geotechnical grid;

Fig. 4 is the perspective view of the utility model embodiment one;

Fig. 5 B-B is the B-B cross sectional view of the utility model embodiment one;

Fig. 6 is the perspective view of the utility model embodiment two;

Fig. 7 C-C is the C-C cross sectional view of the utility model embodiment two;

Fig. 8 is for constituting the band perspective view of the utility model embodiment two;

Fig. 9 stretches schematic diagram for the band of the utility model embodiment two;

Figure 10 is another shape band perspective view that can be used for each embodiment of the utility model;

Figure 11 is another shape band perspective view that can be used for each embodiment of the utility model;

Figure 12 is another shape band perspective view that can be used for each embodiment of the utility model.

Five), the specific embodiment

Shown in Fig. 4, Fig. 5 B-B, present embodiment one comprises band 1 and band junction 2, band 1 is a plastic strip, each bar belt length L is 600cm, thick t is 0.2cm, and each strip width is equal on height L direction at band, and each the strip width W size that specifically constitutes geotechnical grid has three kinds: two bandwidth W are 20cm, each two band that wide W is 15cm of both sides in the middle of the lattice chamber, the wide band of 15cm outwards is the wide band of 10cm again, and band junction 2 is ultrasonic bonding.The geotechnical grid that present embodiment provides has three kinds of strip width sizes, certainly only there are two kinds of stripe sizes wide, even only have that a strip width W is different with other strip width W also to be fine, only Ci Shi effect is not if any multiple width dimensions fashion.

As Fig. 6, Fig. 7 C-C, shown in Figure 8, present embodiment two comprises band 1 and band junction 2, and band 1 is a plastic strip, and each bar belt length L is 600cm, thick t is 0.2cm, and each band is and forms protuberance 10 and recess 11 alternate types on a side length direction of band face width degree.The width W at protuberance 10 places is 15cm, and recess 11 places are that radius equals the semi-circular of 5cm, and the width W at recess 11 places is 10cm, each band at protuberance 10 places by ultrasonic bonding.Present embodiment two each strip width W sizes are unified, and each strip width W size disunity also is fine as embodiment one certainly.

Fig. 9 is the schematic diagram after the band stretching exhibition of present embodiment two.

Figure 10 is for forming the band perspective view of concavo-convex alternate type respectively in the strip width both sides.

Figure 11 is the band perspective view that forms convex in strip width one side, can certainly be convex in the strip width both sides.

Figure 12 is the band perspective view that forms matrix in strip width one side, can certainly be matrix in the strip width both sides.

Claims

1, a kind of geotechnical grid by the band be combined into that interlocks, when outwards stretching with the direction perpendicular to the bar zone face, can form cellular stereoscopic grid structure, and it is characterized in that: the bar zone face of described this geotechnical grid of formation is not wide.

2, geotechnical grid according to claim 1, it is characterized in that: have at least one band face width degree and other band face width degree not to wait in the band of described formation geotechnical grid, and each the band face width degree that constitutes this geotechnical grid equates on himself length direction.

3, geotechnical grid according to claim 1 is characterized in that: have at least one side of band face width degree to form concavo-convex alternate type in the band of described formation geotechnical grid on this band length direction.

4, geotechnical grid according to claim 1 is characterized in that: have at least one side of band face width degree to form convex in the band of described formation geotechnical grid on this band length direction.

5, geotechnical grid according to claim 1 is characterized in that: have at least one side of band face width degree to form matrix in the band of described formation geotechnical grid on this band length direction.

6, according to the described any geotechnical grid of claim 3 to 5, it is characterized in that: have at least one band face width degree and other band face width degree not to wait in the band of described formation geotechnical grid.