CN202849893U

CN202849893U - Concrete slab pavement structure

Info

Publication number: CN202849893U
Application number: CN 201220558170
Authority: CN
Inventors: 朱毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-26
Filing date: 2012-09-26
Publication date: 2013-04-03
Anticipated expiration: 2022-09-26

Abstract

The utility model discloses a concrete slab pavement structure. The structure is characterized by comprising a gravel foundation, a sand cushion, sand seams and precast concrete slabs; the thickness of the gravel foundation is 40-60mm; a felt is arranged on the gravel foundation; the sand cushion is arranged on the felt; the fineness modulus of the sand adopted by the sand cushion is 2.8-3.3; the sand seams are arranged between the adjacent precast concrete slabs; the width of the sand seams is 4-6mm; and the fineness modulus of the sand adopted by the sand seams is 1.1-1.4. The structure is simple and practical.

Description

A kind of concrete slab road structure

Technical field

The utility model relates to a kind of concrete slab road structure, is applicable to construction field.

Background technology

The precast concrete pavement has long service life, easy for installation, the firmly characteristics of mating formation, and can exempt the situ wet operation, greatly reduces workman's labour intensity, has obtained in recent years developing rapidly.But how the crack appears in its seam easily.

The utility model content

The technical problem that the utility model solves provides a kind of concrete slab road structure, solves the deficiencies in the prior art.

The utility model comprises rubble basis, sand cushion, sand seam, precast concrete plank, the rubble base thickness is 40～60mm, rubble arranges malthoid above the basis, sand cushion is set above the malthoid, the grain fineness number modulus that sand cushion adopts is 2.8～3.3, the sand seam is set between the contiguous prefabricated concrete slab, and sand seam width is 4～6mm, and the grain fineness number modulus that the sand seam adopts is 1.1～1.4.

The utility model is simple and practical.

Description of drawings

Fig. 1 concrete slab road structure schematic diagram.

Accompanying drawing sign: 1, rubble basis, 2, sand cushion, 3, the sand seam, 4, precast concrete plank, 5, malthoid.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in detail.

Fig. 1 is concrete slab road structure schematic diagram.The utility model comprises rubble basis 1, sand cushion 2, sand seam 3, precast concrete plank 4, rubble basis 1 thickness is 50mm, malthoid 5 is set above the rubble basis 1, sand cushion 2 is set above the malthoid 5, the grain fineness number modulus that sand cushion 2 adopts is 2.8～3.3, sand seam 3 is set between the contiguous prefabricated concrete slab 4, and it is 5mm that sand stitches 3 width, and the sand seam 3 grain fineness number moduluses that adopt are 1.1～1.4.

Claims

1. concrete slab road structure, it is characterized in that comprising rubble basis, sand cushion, sand seam, precast concrete plank, the rubble base thickness is 40～60mm, rubble arranges malthoid above the basis, sand cushion is set above the malthoid, and the grain fineness number modulus that sand cushion adopts is 2.8～3.3, and the sand seam is set between the contiguous prefabricated concrete slab, sand seam width is 4～6mm, and the grain fineness number modulus that the sand seam adopts is 1.1～1.4.