CN2597551Y

CN2597551Y - Composite bidirectional earthworking grille

Info

Publication number: CN2597551Y
Application number: CNU032329105U
Authority: CN
Inventors: 秦光华; 熊庆宜; 周吉遂
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-17
Filing date: 2003-01-17
Publication date: 2004-01-07
Anticipated expiration: 2013-01-17

Abstract

The utility model relates to a compound mode bidirectional geogrid, which is characterized in that a gridding is vertically and horizontally disposed by the macromolecule strips which is wrapped with a plurality of carbon fibers or the macromolecule strips of the glass fiber reinforcing tendon which are in bunchinesses or twisted in lines along the axial direction, the crunode position of the strips can be fixed by jointing, felting, machine connection or fastening. By adopting the structure of the utility model, the shear resistance capability with increased the crunode is strong, the structure can makes the crunode be suitable for the bearing capacity of the unit strip. The utility model makes the tensile strength of the geogrid be high, the specific elongation be low, the weight be light, and has a good interaction with the geotechnical, the utility model has the advantages of simple and reasonable producing technology and equipment, low producing cost, convenient use and long service life, etc, and the utility model can widely be applied to the civil engineering such as the soft clay ground reinforcing, retaining wall reinforcing, side slope support, pavement split resistance, etc.

Description

Compound two-way geo-grid

Technical field

The utility model relates to the reinforcement material in the modern earthwork engineering.It specifically is a kind of two-way geo-grid that is composited with nonmetal wire and macromolecular material.It can greatly strengthen the bearing capacity of ground; Reduce foundation settlement; Overcome differential settlement; Strengthen the overall performance on basis; Prevent the road surface be full of cracks.Be widely used in reinforced retaining wall, abutment, embankment, airfield runway basis and road face; Highway subgrade and road surface; Railway bed and side slope etc.

Technical background

The present geo-grid of using, the plastic plate that useful import equipment is produced, punching, the unidirectional geo-grid of drawing and forming, low and the elongation per unit length very big (between 10-15%) of the intensity of this plastic grill, easily produce and become, bring hidden danger to engineering, and equipment complexity, cost an arm and a leg, one-time investment is big, domestic also relevantly be drawn into band and connect plastic grill into the net again, but single load bearing also has the big shortcoming of elongation per unit length, and for example the patent No. is the novel geo-grid of ZL98229728.9, can not satisfy in the earthwork engineering bidirectional stress requirement and avoid being out of shape excessive harm, and be that sealing wire by projection is crossed as pad in length and breadth, the area of welding is limited, and the stretching resistance difficulty of the anti-shear ability of node and band is complementary.Though also exist steel to mould grid, it is subjected to after the breakage possibility of corrosion being arranged also, thereby exists not enough.

The content of invention

The purpose of this utility model is to provide a kind of compound two-way geo-grid, and it had both satisfied engineering to the grid requirement of bidirectional stress in length and breadth, and the intensity height, is out of shape for a short time, in light weight, and not corrosion guarantees the fastness of its node again.Production technology is also uncomplicated, and investment reduces relatively, and cost of production is lower, popularization easy to use.

The purpose of this utility model is to realize by such technical scheme: promptly a kind of compound two-way geo-grid, it is characterized in that: be arranged to grid in length and breadth at interval by wrapping up in the macromolecule band that has some pencils or sth. made by twisting to be twisted into the carbon fiber of line thigh or glass fiber reinforcing rib again vertically, fix by welding, bonding, mechanical connection or securing member at the node place between the band.

Description of drawings

Said structure of the present utility model is further specified by the embodiment that accompanying drawing provides.

The utility model has following accompanying drawing:

Accompanying drawing 1 is the structural representation of the utility model embodiment 1;

Accompanying drawing 2 is the structural representation of the utility model embodiment 2;

Accompanying drawing 3 is the structural representation of the utility model embodiment 3;

Accompanying drawing 4 is the securing member mounting structure sectional view of embodiment 3;

Accompanying drawing 5,6 is for the securing member fastening of embodiment 3 and do not buckle the vertical view of state;

Accompanying drawing 7 is the vertical view of buckleing at the bottom of the securing member of embodiment 3;

Accompanying

drawing

8,9 is outer facade and a sectional view of buckleing tongue at the bottom of the securing member of embodiment 3;

Accompanying drawing 10 is the structural representation of the utility model embodiment 4;

Accompanying drawing 11 is the securing member mounting structure sectional view of embodiment 4;

Accompanying drawing 12 is that the A of accompanying drawing 11 is to schematic diagram;

Accompanying drawing 13 is the stereogram of the securing member of embodiment 4.

Referring to accompanying drawing: the vertical reinforcement band of 1-among the figure, 2-transversal reinforcement band, 3-securing member face is buckled, buckle at the bottom of the 4-securing member, 5-buckles tongue, card, 8-securing member card, 9-reinforcing rib down on the 6-buttonhole, 7-securing member.

The specific embodiment

Said structure of the present utility model by accompanying drawing provide embodiment further specify.

Referring to structural representation:

Embodiment 1 is referring to accompanying drawing 1, and the compound two-way geo-grid among the figure is spaced and is woven into grid in length and breadth by vertical reinforcement band (1) and transversal reinforcement band (2), and promptly every vertical reinforcement band longitudinally constitutes the node that loam cake underlies at interval; Or the transversal reinforcement band constitutes the node that loam cake underlies along the lateral separation.The size in the width of band, thickness and aperture by the needs of engineering, forms plurality of specifications.Its node changes and the sort ofly is welded as contact surface by bonding wire intersection point in length and breadth and welds comprehensively, to strengthen its fastness.

Embodiment 2 is referring to Fig. 2, and each transversal reinforcement band (2) of the compound two-way geo-grid among the figure is or/and vertical reinforcement band (1) is that two bands are composited up and down, and wherein at the node place, the transversal reinforcement band is the vertical reinforcement band of clamping up and down; Or the transversal reinforcement band vertical reinforcement band of clamping and constitute grid up and down.In top and bottom, node place welding or bonding, the band up and down at non-node place is sticking up and down to be welded as a whole.

Embodiment 3 is referring to accompanying drawing 3-9, and the compound two-way geo-grid among the figure adopts securing member to fix at the node place, buckle at the bottom of described securing member is buckled (3), securing member by the securing member face (4) and with the band tenon of buckleing one at the bottom of the securing member buckle tongue (5) formation; Wherein buckle and have cross recess at the end, and the button tongue is positioned at the cross trough rim, buckles the position of buckleing tongue in the corresponding end at the securing member face and have the buttonhole (6) that opening width changes; At the node place, the right-angled intersection of orthogonal stiffeners band is positioned at the cross recess of end button, buckles down fastening when end button and face, makes and detains the wide opening part that tongue is positioned at buttonhole, surfaces of revolution button makes the tenon of button tongue be stuck in the narrow opening place of buttonhole and buckleing up and down of securing member fixed the band node.

Embodiment 4 is referring to accompanying drawing 10-13, compound two-way geo-grid adopts another kind of securing member to fix at the node place, described securing member is made of the square upper and lower card (7,8) of identical band list groove, be stuck in the node place up and down and be stuck on the band by direction in length and breadth, and the bonding or welding and node is fixed at four angles.

Described band in length and breadth has surface coarse or that protrude decorative pattern.The mechanical connection at described node place also comprises modes such as riveting, button, card.

The utility model has been owing to described structure has strengthened the anti-shear ability of grid node, and the supporting capacity of itself and unit reinforcement band is adapted.Therefore, the tensile strength height of the utility model grid, elongation per unit length are low, in light weight, interact with ground; And production technology is simple, and cost is lower, and is easy to use, the life-span is long.Be widely used in the earthwork engineering such as reinforcing, reinforced retaining wall, reinforced slope, road surface cracking resistance of soft foundation.

Claims

1, a kind of compound two-way geo-grid, it is characterized in that: be arranged to grid in length and breadth at interval by wrapping up in the macromolecule band that has some pencils or sth. made by twisting to be twisted into the carbon fiber of line thigh or glass fiber reinforcing rib (9) again vertically, fix by welding, bonding, mechanical connection or securing member at the node place between the band.

2, compound two-way geo-grid according to claim 1 is characterized in that: by vertical reinforcement band (1) and transversal reinforcement band (2), be spaced and be woven into grid in length and breadth; Every vertical reinforcement band longitudinally constitutes the node that loam cake underlies at interval; Or the transversal reinforcement band constitutes the node that loam cake underlies along the lateral separation.

3, compound two-way geo-grid according to claim 1, it is characterized in that: each transversal reinforcement band (2) is or/and vertical reinforcement band (1) is that two bands are composited up and down, wherein at the node place, the transversal reinforcement band is the vertical reinforcement band of clamping up and down; Or the transversal reinforcement band vertical reinforcement band of clamping and constitute grid up and down.In top and bottom, node place welding or bonding, the band up and down at non-node place is sticking up and down to be welded as a whole.

4, compound two-way geo-grid according to claim 1, it is characterized in that: grid adopts securing member to fix at the node place, buckle at the bottom of securing member is buckled (3), securing member by the securing member face (4) and with the band tenon of buckleing one at the bottom of the securing member buckle tongue (5) formation; Wherein buckle and have cross recess at the end, and the button tongue is positioned at the cross trough rim, buckles the position of buckleing tongue in the corresponding end at the securing member face and have the buttonhole (6) that opening width changes; The right-angled intersection of orthogonal stiffeners band is positioned at the cross recess of end button, and buckle down by button tongue and buttonhole and fasten at the face button and the end, and the tenon of wherein detaining tongue is stuck in the narrow opening place of buttonhole and buckleing up and down of securing member fixed the band node.

5, compound two-way geo-grid according to claim 1, it is characterized in that: grid adopts securing member to fix at the node place, described securing member is made of the square upper and lower card (7,8) of identical band list groove, be stuck in the node place up and down and be stuck on the band by direction in length and breadth, and the bonding or welding and node is fixed at four angles.

6, compound two-way geo-grid according to claim 1 is characterized in that: the band in length and breadth of grid has surface coarse or that protrude decorative pattern.