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Modular building roof and construction method thereof

A modular and roofing technology, applied in the field of building roofing, can solve the problems of long construction period and high labor cost, and achieve the effect of low cost, low weight and fast installation

Inactive Publication Date: 2017-09-01
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technical solution is still a wet operation with a long construction period and high labor costs

Method used

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  • Modular building roof and construction method thereof
  • Modular building roof and construction method thereof
  • Modular building roof and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A 20m structure is composed of 5 steel members 1 with a length of 2m and a width of 2m as the load-bearing structure 2 roof, where the purlin width is 40mm and the spacing is 0.6m. Spread the 0.6m wide, 2.5m long and 200mm thick foam cement sandwich panel 2 on the steel member 1, cut and remove the excess part according to the design, and fix it on the steel member 1 with self-tapping screws at intervals of 0.2m. Then spread the 1.5mm thick EPDM waterproof roll material 3 on the foam cement sandwich panel 2, reserve 0.1m lap joints for the seams, and bake them with flames. Finally, use silicone sealant to bond the 15mm thick high-density calcium silicate board 4 (800kg / m 3 ), the seams are also treated with a silicone sealant and treated with silane for hydrophobicity. The surface density of the obtained roof is 92kg / m 2 , the load resistance capacity is 2.8kN / m 2 , the heat transfer coefficient is 0.67W / (m·K).

Embodiment 2

[0043] 15 steel components 1 with a length of 8m and a width of 3m are used as load-bearing structures to form a 360m 2roof, where the purlin width is 60mm and the spacing is 0.8m. Spread the 1m wide, 4m long, and 120mm thick foam cement sandwich panel 2 on the steel member 1. The excess part can be cut and removed according to the design, and fixed on the steel member 1 with self-tapping screws at intervals of 0.4m. Then spread the 2mm thick SBS modified bitumen waterproof membrane 3 on the foam cement sandwich panel 2, reserve 0.1m lap joints for the joints, and bake them with flames. Finally, use silicone sealant to bond the 20mm thick medium density calcium silicate board 4 (500kg / m 3 ), the seams are also treated with a silicone sealant and treated with silane for hydrophobicity. The surface density of the resulting roof is 75kg / m 2 , the load resistance capacity is 2.2kN / m 2 , the heat transfer coefficient is 0.84W / (m·K).

Embodiment 3

[0045] 10 steel components 1 with a length of 12m and a width of 4m are used as load-bearing structures to form a 480m 2 roof, where the purlin width is 50mm and the spacing is 0.5m. Spread the 2m wide, 6m long, and 90mm thick foam cement sandwich panel 2 on the steel member 1. The excess part can be cut and removed according to the design, and fixed on the steel member 1 with self-tapping screws at a distance of 0.6m. Then spread the 3mm thick polyvinyl chloride waterproof roll material 3 on the foam cement sandwich panel 2, reserve 0.1m lap joints for the joints, and bake them with flames. Finally, use silicone sealant to bond the 30mm thick medium density calcium silicate board 4 (500kg / m 3 ), the seams are also treated with a silicone sealant and treated with silane for hydrophobicity. The surface density of the obtained roof is 60kg / m 2 , the load resistance capacity is 1.8kN / m 2 , the heat transfer coefficient is 0.96W / (m·K).

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Abstract

The invention discloses a modular building roof and a construction method thereof. The modular building roof comprises steel members serving as roof load bearing, foamed cement sandwich plates fixed on the steel members, waterproof coiled materials adhering to the foamed cement sandwich plates and calcium silicate plates covering the waterproof coiled materials through sealing glue. The roof can be mounted rapidly, has the characteristics of low self-weight, low cost and high loading resistance, can meet the requirement of modular building roof greening, has the advantages of rapidness, low cost, energy saving, sound insulation and the like and can meet the development requirements of existing buildings, especially modular buildings.

Description

technical field [0001] The invention relates to the field of building roofs, in particular to a modular building roof and a construction method thereof. Background technique [0002] Modular buildings are fast, material-saving, and environmentally friendly, and have a certain room for development in the construction industry. With the development of new uses such as roof greening and leisure, the rational construction of modular building roofs has become a key issue. The existing modular building roofs usually use the method of cast-in-place fine stone concrete to ensure the load-resistant performance of the roof. However, wet operations often bring The problem of long cycle time and high cost. And although the existing industrialized wall panel combination method can realize fast installation, it also has deficiencies aspect roof waterproofing. The present invention designs a structure and connection method for the roof of a box-type modular building, which can meet the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04D11/02E04D13/16
CPCE04D11/02E04D13/1618E04D13/1687Y02B80/32Y02A30/254
Inventor 徐意张鹤杨辉樊先平汪海风
Owner ZHEJIANG UNIV