CN1478960A - Reinforced net - Google Patents
Reinforced net Download PDFInfo
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- CN1478960A CN1478960A CNA021346305A CN02134630A CN1478960A CN 1478960 A CN1478960 A CN 1478960A CN A021346305 A CNA021346305 A CN A021346305A CN 02134630 A CN02134630 A CN 02134630A CN 1478960 A CN1478960 A CN 1478960A
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- grid
- block
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- reinforcement net
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Abstract
A ribbed mesh for increasing the earth body's strength and preventing its deformation in spreading asphalt pavement of road is composed of the lattice mesh and the discrete blocks arranged at intervals and covered by said lattice mesh. Its advantages are high effect and low cost.
Description
One) technical field
The present invention relates to civil engineering reinforcement field, especially netted reinforcement body.
Two) background technology
At present, in civil engineering, some latticed reinforcing ribs of widespread usage, latticed reinforcing rib has two classes, and a class is the plane Reinforcement gridiron, as shown in Figure 1, as unidirectional geo-grid, two-way geo-grid, glass fiber grid etc., these grids have bigger eyelet and high strength and stiffness, and soil, stone grain are embedded, and produce snap-in force with soil or stone grain, thereby can spread the stress in soil or the stone grain, the displacement of restriction soil or stone grain is transmitted stress, the effect of reinforcing material tensile strength and isolation.For example as: be laid on the side slope firm side slope and can afforest, be laid on and form operation platform on the soft base wad layer and isolate tensile layer, being laid on end of the bridge bankets and strengthens the stretching resistance of banketing and prevent differential settlement, be laid on and can strengthen stretching resistance in arbitrary deck of highway pavement and prevent reflection crack, and aspect such as reinforced earth bulkhead.
Though above plane grid can play above effect, but have the following shortcoming: 1, sphere of action is very limited: because above only for the plane grid, only planar produce snap-in force with soil or stone grain, to such an extent as to make the stress in diffusion soil or the stone grain, the equal major limitation of effect such as the displacement of restriction soil or stone grain are in the confined space up and down on plane, and active force is little; Even when granular material did not embed plane grid, planar the snap-in force of Chan Shenging was more limited.
Another kind of is the solid type Reinforcement gridiron, as geotechnical grid, as shown in Figure 2.The shortcoming of geotechnical grid is that the material that will strengthen has been isolated in each little lattice is indoor, does not connect mutually each other, and the adhesion interlock action of the material that each lattice chamber and another lattice are indoor obtains destroying, and geotechnical grid must expend lot of materials, costs an arm and a leg.
Three) summary of the invention
The object of the present invention is to provide a kind of sphere of action big, make full use of by the adhesion interlock action of reinforcement material, manufacturing process is simple, the reinforcement net that cost is low.
The present invention seeks to realize like this: be used for the reinforcement net that civil engineering improves the soil body or structure intensity and non-deformability, comprise grid, it is characterized in that: also comprise at interval discrete block, described grid covers and connects the discrete block in described interval and the matrix knot is arranged between at interval discrete block.
As a kind of form of the present invention, described block at interval Discrete Distribution and has the matrix knot of two-layer grid coverage combination between at interval discrete block between two-grid.
As another kind of form of the present invention, between the described two-grid plane grid can also be arranged, block interval Discrete Distribution is in the checkerwork cell of this plane grid.
As another kind of form of the present invention, described block can disperse at interval and be embedded in the checkerwork cell of a plane grid, another grid covers on this plane grid and the at interval discrete block, and between at interval discrete block to some extent the matrix that combines with plane grid of grid coverage tie.
As another kind of form of the present invention, Discrete Distribution is on thin film at interval for described block, and described grid covers on this discrete at interval block, and the matrix knot that has grid to combine with film between block; Described film edge can also be extended with the grid that coats at interval discrete block.
As another kind of form of the present invention, described block both can also can be the cement concrete piece for stone.
As another kind of form of the present invention, the edge of described reinforcement net can be provided with the plane grid.
Owing to adopt above-mentioned reinforcement net; when the reinforcement net is arranged in granular material or the non-particulate material; when being subjected to tensile stress or shear stress; power on the grid can be delivered on the block; owing to be full of granular material or the non-particulate material that is reinforced between the at interval discrete block; what thereby the power on the block again can be three-dimensional is delivered on the material that is reinforced; so not only overcome the plane grid interlocking and transmitted stress only in the confined space and the little defective of power transmission effect of planar range; and overcome the defective that the adhesion interlock action that is reinforced material that geotechnical grid causes can not get bringing into play; block in the reinforcement net of the present invention can with produced better adhesion stress and interlock action by reinforcement material; thereby the ability of this reinforcement net interlocking particle or transmission stress is strengthened greatly; sphere of action is increased in the space up and down of reinforcement net greatly; and reinforcement net manufacturing process of the present invention is simple, cheap.
Below in conjunction with the drawings and specific embodiments reinforcement net of the present invention is described further.
Four) description of drawings
Fig. 1 is a prior art plane ribbed lattice geo-grid schematic diagram;
Fig. 2 is a prior art solid type ribbed lattice geotechnical grid schematic diagram;
Fig. 3 is the stereochemical structure decomposing schematic representation of the embodiment of the invention 1;
Fig. 4 is the A-A cross sectional representation of the embodiment of the invention 1;
Fig. 5 is the stereochemical structure decomposing schematic representation of the embodiment of the invention 2;
Fig. 6 is the B-B cross sectional representation of the embodiment of the invention 2;
Fig. 7 is another form cross sectional representation of the embodiment of the invention 2;
Fig. 8 is the cross sectional representation of the embodiment of the invention 3;
Fig. 9 is the stereochemical structure decomposing schematic representation of the embodiment of the invention 4;
Figure 10 is the C-C cross sectional representation of the embodiment of the invention 4;
Figure 11 is the cross sectional representation of the embodiment of the invention 5;
Figure 12 is the stiffness films perspective view of the embodiment of the invention 5;
Figure 13 is another form cross sectional representation of the embodiment of the invention 5.
Five) specific embodiment
As Fig. 3, shown in Figure 4, present embodiment 1 is made of grid 2 and cement concrete block 1, grid 2 is two-layer up and down, cement concrete block 1 interval Discrete Distribution is on one deck grid 2, another layer grid 2 covers on the cement concrete block 1 of interval Discrete Distribution, and the two-layer plane grid 2 between cement concrete block 1 and block 1 is equipped with matrix knot 3, this matrix knot 3 passes up and down by nylon wire, and two-grid 2 colligations are formed, two-grid stitching connection up and down, form each cement concrete block 1 like this in limit portion by grid covering connection and by the matrix knot 3 reinforcement nets that separate.The grid 2 of present embodiment is a polypropylene lattice, during the reinforcement net of practical application present embodiment, this reinforcement net is imbedded in the granular material, and it is more remarkable to make the solid of grid and block strengthen effect.
As Fig. 5, shown in Figure 6, present embodiment 2 is substantially the same manner as Example 1, and difference is also to be provided with a plane grid 4 between two-grid 2; The formation of present embodiment 2 can be, at first block 1 interval Discrete Distribution is in the checkerwork cell 5 of a plane grid 4, this plane grid 4 is one to be covered with the steel wire weld mesh crate of PVC, outside steel wire grid 4 and cement concrete block 1, coat one deck polypropylene lattice 2, polypropylene lattice 2 forms matrix knot 3 between stone 1, this matrix knot 3 can form in colligation, also can be formed by two layers of polypropylene grid 2 spot welding up and down.Two-grid 2 adhesive bond, form the reinforcement net that each block 1 is covered connection and separated by the checkerwork cell 5 of matrix knot 3 and steel wire grid 4 by grid 2 in limit portion like this.The edge of present embodiment reinforcement net can also be provided with the plane grid, as shown in Figure 7, protruding formation of redundance after plane grid 6 is coated by polypropylene lattice 2, can certainly be at the edge of reinforcement net in addition again welding or colligation other plane grid is set, the reinforcement network edge is provided with the transition gradually that the plane grid can play reinforced action; And the side of following each embodiment reinforcement net all can be provided with the plane grid.
As shown in Figure 8, the block 1 of present embodiment 3 is a stone, one end cross-sectional area of this stone 1 is less, in the checkerwork cell of stone 1 with discrete at interval embedding one plane grid 2 of the less end in cross section, this plane grid 2 is one to be covered with the steel wire weld mesh crate of PVC, cover one deck polypropylene lattice 2 outside steel wire grid 2 and stone 1, polypropylene lattice 2 forms matrix knot 3 between stone 1, and this matrix is tied 3 and formed by nylon wire colligation polypropylene lattice 2 and steel wire grid 2.Firm in limit portion two-layer plane grid also colligation, be formed with grid 2 like this and cover connection and tied 3 relatively-stationary reinforcement nets by matrix.
As Fig. 9, shown in Figure 10, present embodiment 4 is substantially the same manner as Example 2, difference is that one deck grid 2 is replaced by one deck fexible film 7, block 1 is a stone, Discrete Distribution is on one deck fexible film 7 at interval for stone 1, and one deck plane grid 2 covers on the stone 1 of Discrete Distribution, and is equipped with knot 3 between stone 1 and stone 1, this knot 3 passes fexible film 7 by nylon wire and grid 2 is formed, and forms each block 1 like this and is covered connection and tied the 3 reinforcement nets that separate by matrix by grid 2.The grid 2 of present embodiment is the glass fiber grid grid, and fexible film 7 is an oxygen fourth rubber geomembrane, and fexible film 7 not only can play auxiliary grid 2 interconnect functions, and when being used in the structure, can also play waterproof and reinforced action.
As Figure 11, shown in Figure 12, present embodiment 5 is substantially the same manner as Example 4, difference is that fexible film 7 has changed stiffness films 7 into, this stiffness films 7 is the steel sheet of 1 millimeter of thickness, welding is distributed with the upright ring 8 of steel wire on steel sheet, block 1 Discrete Distribution at interval stands between the ring 8 at steel wire, one layer plane polythene net lattice 2 cover on the block 1 of Discrete Distribution, and between block 1 and block 1, be equipped with matrix knot 3, matrix knot 3 passes the upright ring 8 of steel wire by nylon wire and forms with plane polyethylene grid 2 colligations, forms each block 1 like this and is covered by grid 2 and connect and by the matrix knot 3 reinforcement nets that separate.Present embodiment 5 can also be connected with the reinforcement net again in the side of film 7, and as shown in figure 13, the grid that coats at interval discrete block stretches out in the both sides of film 7, so that the reinforced action cross transition, the side can also connect the plane grid more certainly.
Claims (10)
1, a kind of reinforcement net that is used to improve the soil body or structure intensity and non-deformability comprises grid, it is characterized in that: also comprise at interval discrete block, described grid covers and connects the discrete block in described interval and the matrix knot is arranged between at interval discrete block.
2, reinforcement net according to claim 1 is characterized in that: described block Discrete Distribution at interval and has the matrix knot of two-layer grid coverage combination between at interval discrete block between two-grid.
3, reinforcement net according to claim 2 is characterized in that: also have a plane grid between the described two-grid, block interval Discrete Distribution is in the checkerwork cell of this plane grid.
4, reinforcement net according to claim 1, it is characterized in that: described block is discrete at interval to be embedded in the checkerwork cell of a plane grid, another grid covers on this plane grid and the at interval discrete block, and between at interval discrete block to some extent the matrix that combines with plane grid of grid coverage tie.
5, reinforcement net according to claim 1 is characterized in that: Discrete Distribution is on thin film at interval for described block, and described grid covers on this discrete at interval block, and the matrix knot that has grid to combine with film between block.
6, reinforcement net according to claim 5 is characterized in that: described side surface of thin film also is extended with the grid that coats at interval discrete block.
7, according to the described arbitrary reinforcement net of claim 1 to 6, it is characterized in that: described block is a stone.
8, according to the described arbitrary reinforcement net of claim 1 to 6, it is characterized in that: described block is the coagulating cement soil block.
9, reinforcement net according to claim 7, it is characterized in that: the edge of described reinforcement net is provided with the plane grid.
10, reinforcement net according to claim 8, it is characterized in that: the edge of described reinforcement net is provided with the plane grid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNA021346305A CN1478960A (en) | 2002-08-30 | 2002-08-30 | Reinforced net |
Applications Claiming Priority (1)
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CNA021346305A CN1478960A (en) | 2002-08-30 | 2002-08-30 | Reinforced net |
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CN1478960A true CN1478960A (en) | 2004-03-03 |
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CNA021346305A Pending CN1478960A (en) | 2002-08-30 | 2002-08-30 | Reinforced net |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100458022C (en) * | 2005-07-28 | 2009-02-04 | 上海大学 | Stereo reinforcement earth |
-
2002
- 2002-08-30 CN CNA021346305A patent/CN1478960A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100458022C (en) * | 2005-07-28 | 2009-02-04 | 上海大学 | Stereo reinforcement earth |
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