CN203257014U - Structure of granite step - Google Patents

Abstract

The utility model discloses a structure of a granite step. The structure of the granite step is characterized in that a broken stone hardcore which is 60-80mm in thickness is arranged on plain fill, a concrete cushion is arranged on the broken stone hardcore, the strength of the concrete of the concrete cushion is C20, a cement mortar layer which is 15-25mm in thickness is arranged on the concrete cushion, the granite which is 20-30mm in thickness is paved on the cement mortar layer, a 20-30mm clearance is kept between the granite step and a wall body, and a polyphenyl plate is filled in the clearance.

Description

Granite Step Structure

technical field

The utility model relates to a granite step structure, which is suitable for the construction field.

Background technique

The steps refer to the traffic link between the indoor and outdoor height difference at the entrance and exit of the building. The outdoor steps are composed of platforms and steps. Lay stone treads on the mortar bonded layer, and the lower left corner of the stone treads is concave. A good outdoor step design can play a finishing touch to the building and the environment, making the building and the environment organically integrated and complementary. The outdoor steps of the building are prone to subsidence and other undesirable phenomena.

Utility model content

The technical problem solved by the utility model is to provide a granite step structure to solve the existing technical deficiencies.

The utility model comprises a gravel cushion, a concrete cushion, a cement mortar layer, granite, and a polystyrene board. A gravel cushion is arranged on the plain soil, and the thickness of the gravel cushion is 60-80 mm. A concrete cushion is arranged on the crushed stone cushion. layer, the concrete strength used for the concrete cushion is C20, a cement mortar layer is set on the concrete cushion, the thickness of the cement mortar layer is 15-25mm, and granite is laid on the cement mortar layer, the thickness of the granite is 20-30mm, and the granite steps and walls Keep a gap of 20-30mm between them, and fill the gap with polystyrene board.

The utility model is simple and practical.

Description of drawings

Fig. 1 Schematic diagram of granite step structure.

Reference signs: 1. gravel cushion, 2. concrete cushion, 3. cement mortar layer, 4. granite, 5. polystyrene board, 6. wall.

Detailed ways

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

Figure 1 is a schematic diagram of the granite step structure. The utility model comprises crushed stone cushion 1, concrete cushion 2, cement mortar layer 3, granite 4, polystyrene board 5, crushed stone cushion 1 is arranged on the plain soil, and the thickness of crushed stone cushion 1 is 70mm, and the crushed stone cushion A concrete cushion layer 2 is set on the layer 1, the concrete strength used in the concrete cushion layer 2 is C20, a cement mortar layer 3 is set on the concrete cushion layer 2, the thickness of the cement mortar layer 3 is 20mm, and granite 4 is laid on the cement mortar layer, and the granite 4 The thickness is 25 mm, and a gap of 25 mm is maintained between the granite steps and the wall 6, and polystyrene boards 5 are filled in the gap.

Claims (1)

1. a granite step is constructed, it is characterized in that comprising hardcore bed, concrete cushion, cement sand bed, granite, polyphenyl plate, above the element soil hardcore bed is set, hardcore bed thickness is 60～80mm, concrete cushion is set above the hardcore bed, the concrete strength that concrete cushion adopts is C20, cement sand bed is set above the concrete cushion, the cement mortar layer thickness is 15～25mm, lay granite above the cement sand bed, granite thickness is 20～30mm, the space that keeps 20～30mm between granite step and the body of wall, filling polyphenyl plate in the space.

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