Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Crossbow method-based pre-bent laminated wood-concrete composite beam construction method
The invention discloses a construction method of a pre-bent laminated wood-concrete composite beam based on a crossbow method. The construction method comprises the following steps: selecting a bent laminated wood beam as an embedded stiff skeleton of the composite beam. Holes are drilled in the two ends of the bent laminated wood beam, tensioning bolts are installed, one ends of steel strands arefixed to the tensioning bolts, and the other ends of the steel strands are concentrated on tool anchors. The bent laminated wood beam is arched upwards, a counter-force supporting device is installedat the midspan top of the bent laminated wood beam, and a tool anchor is arranged on the counter-force supporting device. A counter-force device is arranged between the counter-force supporting device and the tool anchor. The counterforce device loads counterforce step by step until the laminated wood beam reaches the camber-free degree. First-stage concrete is poured; After the strength of the first-stage concrete reaches 95%, releasing the pre-bending force, and pouring the second-stage concrete. According to the invention, the original construction equipment and process are greatly simplified, and the construction design problem of the I-shaped/rectangular section pre-bent laminated wood concrete composite beam is truly solved.
一种基于弩弓法的预弯胶合木‑混凝土组合梁施工方法，包括以下步骤：选择弯曲的胶合木梁作为组合梁的内嵌劲性骨架；在弯曲的胶合木梁两端均钻孔，安装张拉螺栓，钢绞线的一端固定在张拉螺栓上，另一端集中在工具锚上；将弯曲的胶合木梁拱朝上，在弯曲的胶合木梁跨中顶部安装反力支撑装置，在反力支撑装置上设置工具锚；在反力支撑装置与工具锚之间安装反力装置；反力装置逐级加载反力，直至胶合木梁达到无拱度；浇筑一期混凝土；一期混凝土强度达到95%后，进行释放预弯力，浇筑二期混凝土。本发明极大的简化了原有的施工设备与流程，真正解决了工字型/矩形截面预弯胶合木‑混凝土组合梁的施工设计问题。
Crossbow method-based pre-bent laminated wood-concrete composite beam construction method
The invention discloses a construction method of a pre-bent laminated wood-concrete composite beam based on a crossbow method. The construction method comprises the following steps: selecting a bent laminated wood beam as an embedded stiff skeleton of the composite beam. Holes are drilled in the two ends of the bent laminated wood beam, tensioning bolts are installed, one ends of steel strands arefixed to the tensioning bolts, and the other ends of the steel strands are concentrated on tool anchors. The bent laminated wood beam is arched upwards, a counter-force supporting device is installedat the midspan top of the bent laminated wood beam, and a tool anchor is arranged on the counter-force supporting device. A counter-force device is arranged between the counter-force supporting device and the tool anchor. The counterforce device loads counterforce step by step until the laminated wood beam reaches the camber-free degree. First-stage concrete is poured; After the strength of the first-stage concrete reaches 95%, releasing the pre-bending force, and pouring the second-stage concrete. According to the invention, the original construction equipment and process are greatly simplified, and the construction design problem of the I-shaped/rectangular section pre-bent laminated wood concrete composite beam is truly solved.
一种基于弩弓法的预弯胶合木‑混凝土组合梁施工方法，包括以下步骤：选择弯曲的胶合木梁作为组合梁的内嵌劲性骨架；在弯曲的胶合木梁两端均钻孔，安装张拉螺栓，钢绞线的一端固定在张拉螺栓上，另一端集中在工具锚上；将弯曲的胶合木梁拱朝上，在弯曲的胶合木梁跨中顶部安装反力支撑装置，在反力支撑装置上设置工具锚；在反力支撑装置与工具锚之间安装反力装置；反力装置逐级加载反力，直至胶合木梁达到无拱度；浇筑一期混凝土；一期混凝土强度达到95%后，进行释放预弯力，浇筑二期混凝土。本发明极大的简化了原有的施工设备与流程，真正解决了工字型/矩形截面预弯胶合木‑混凝土组合梁的施工设计问题。
Crossbow method-based pre-bent laminated wood-concrete composite beam construction method
一种基于弩弓法的预弯胶合木-混凝土组合梁施工方法
XU YUN (Autor:in) / WANG XUEJIAO (Autor:in)
19.03.2021
Patent
Elektronische Ressource
Chinesisch
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