Prestressed lining concrete as well as preparation method and construction method thereof

The invention provides prestressed lining concrete as well as a preparation method and a construction method thereof, and relates to the field of building materials. The prestressed lining concrete comprises the following components: cement, fly ash, slag powder, sand, broken stone, water, a super p...

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Hauptverfasser:	XIE XIANGMING, DENG XUANTAO, YAO CHUKANG, WANG YONGJIAN, LIANG JUN, YU QINGSHAN, HU LEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS LIME, MAGNESIA METALLURGY MINING REFRACTORIES SHAFTS SLAG TREATMENT OF NATURAL STONE TUNNELS
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creator	XIE XIANGMING DENG XUANTAO YAO CHUKANG WANG YONGJIAN LIANG JUN YU QINGSHAN HU LEI
description	The invention provides prestressed lining concrete as well as a preparation method and a construction method thereof, and relates to the field of building materials. The prestressed lining concrete comprises the following components: cement, fly ash, slag powder, sand, broken stone, water, a super plasticizer and a retarder. In the implementation process, two kinds of slag powder with different specific surface areas are adopted to reduce the shrinkage rate of hardened concrete and reduce the adiabatic temperature rise of the concrete, so that the anti-cracking effect of the concrete is improved; in addition, a super plasticizer and a retarder are added into the concrete as additives to improve the physical property, the setting time, the mechanical property and the durability of the concrete, and finally the concrete has the advantages of low early hydration heat, high strength and good durability. The engineering construction requirements can be met, the engineering quality can be ensured, and the construct
format	Patent
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subjects	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS LIME, MAGNESIA METALLURGY MINING REFRACTORIES SHAFTS SLAG TREATMENT OF NATURAL STONE TUNNELS
title	Prestressed lining concrete as well as preparation method and construction method thereof
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