Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Anti-cracking construction method for ground with ultra-large area
The invention provides an anti-cracking construction method for an ultra-large-area ground. The anti-cracking construction method comprises the following steps of base layer treatment, mesh laying, concrete laying, vibration leveling and concrete curing. According to the invention, the low-shrinkage concrete is adopted, so that the shrinkage deformation of the concrete can be well controlled, and cracks generated by the property of the concrete in the use process of the ground are reduced; the low-shrinkage concrete is paved in a bin-dividing pouring mode and is poured in a block-dividing and lattice-jumping mode, so that the deformation influence of stretching, temperature and the like can be reduced, and ground cracks caused by temperature deformation are effectively reduced; the laying of the meshes can generate tensile stress after the pavement is solidified, so that the tensile strength of the concrete is obviously improved, the concrete can resist larger tensile stress without being damaged, and in addition, even if cracks are locally generated and the stress at the cracks is excessively concentrated, the stress gradually disappears through the transmission of the meshes, so that the cracks do not develop into cracks any more.
本发明提供一种超大面积地面防裂施工方法，包括以下步骤：基层处理、网片铺设、混凝土铺设、振捣找平及混凝土养护；本发明中，采用低收缩混凝土能够较好的控制混凝土的收缩变形，减少地面在使用过程中由于混凝土本身性质原因而产生的裂缝；采用分仓浇筑方式将低收缩混凝土进行摊铺并分块跳格浇筑，可减少伸缩、温度等变形影响，有效减少温度变形所引起的地面裂缝；网片的铺设能够在路面凝固后产生拉应力，使混凝土的抗拉伸强度显著提升，可以抵抗住较大的拉应力而不发生破坏，另外，即使因为局部产生裂纹，使裂纹处的应力过于集中，但通过网片的传递而逐渐消失，使裂纹不再会发展成裂缝。
Anti-cracking construction method for ground with ultra-large area
The invention provides an anti-cracking construction method for an ultra-large-area ground. The anti-cracking construction method comprises the following steps of base layer treatment, mesh laying, concrete laying, vibration leveling and concrete curing. According to the invention, the low-shrinkage concrete is adopted, so that the shrinkage deformation of the concrete can be well controlled, and cracks generated by the property of the concrete in the use process of the ground are reduced; the low-shrinkage concrete is paved in a bin-dividing pouring mode and is poured in a block-dividing and lattice-jumping mode, so that the deformation influence of stretching, temperature and the like can be reduced, and ground cracks caused by temperature deformation are effectively reduced; the laying of the meshes can generate tensile stress after the pavement is solidified, so that the tensile strength of the concrete is obviously improved, the concrete can resist larger tensile stress without being damaged, and in addition, even if cracks are locally generated and the stress at the cracks is excessively concentrated, the stress gradually disappears through the transmission of the meshes, so that the cracks do not develop into cracks any more.
本发明提供一种超大面积地面防裂施工方法，包括以下步骤：基层处理、网片铺设、混凝土铺设、振捣找平及混凝土养护；本发明中，采用低收缩混凝土能够较好的控制混凝土的收缩变形，减少地面在使用过程中由于混凝土本身性质原因而产生的裂缝；采用分仓浇筑方式将低收缩混凝土进行摊铺并分块跳格浇筑，可减少伸缩、温度等变形影响，有效减少温度变形所引起的地面裂缝；网片的铺设能够在路面凝固后产生拉应力，使混凝土的抗拉伸强度显著提升，可以抵抗住较大的拉应力而不发生破坏，另外，即使因为局部产生裂纹，使裂纹处的应力过于集中，但通过网片的传递而逐渐消失，使裂纹不再会发展成裂缝。
Anti-cracking construction method for ground with ultra-large area
超大面积地面防裂施工方法
LIU QIANG (Autor:in) / HE HONGSHENG (Autor:in) / ZHU XUELEI (Autor:in) / FAN YUEMIN (Autor:in) / WANG ZHAN (Autor:in) / KANG HONGJIAN (Autor:in) / TIAN FAN (Autor:in) / ZHANG XIAOGUANG (Autor:in)
20.10.2023
Patent
Elektronische Ressource
Chinesisch
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