Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Steel plate reinforcing method for special floating slab ballast bed shield tunnel structure
The invention relates to a method for reinforcing a special floating slab ballast bed shield tunnel structure steel plate. The method comprises the following steps that concrete, higher than a track plane, of the upper portion of a special floating slab ballast bed is chiseled away; carrying out flattening treatment on the chiseled plane; the arc-shaped steel plates are connected; steel corbels are arranged at the ends of the arc-shaped steel plates at the two ends and are placed on the special floating slab ballast bed, gaps are reserved between the corbels and the special floating slab ballast bed, and rigid connection is not conducted between the corbels and the special floating slab ballast bed; the steel corbels on the two sides are connected through steel braces; an insulating spacer with the adjustable thickness is arranged between the steel brace and the track, and the steel brace is attached to the bottom face of the track bed by adjusting the thickness of the insulating spacer. Compared with the prior art, the method has the advantages that the strength and rigidity of the shield tunnel structure of the special floating slab ballast bed can be effectively improved on the premise that the vibration reduction performance of the special floating slab ballast bed is not affected, and the effect of controlling convergence deformation and crack development is achieved. The method is convenient in material taking, rapid in construction, safe and reliable, and has a wide application prospect.
本发明涉及一种特殊浮置板道床盾构隧道结构钢板加固的方法，包括如下步骤：凿除特殊浮置板道床上部高出轨道平面的混凝土；对凿除平面平整处理；连接各块弧形钢板；两端的弧形钢板端部设置有钢牛腿，放置于特殊浮置板道床上，并在牛腿与特殊浮置板道床间预留空隙，不作刚性连接；将两侧钢牛腿通过钢拉条连接；在钢拉条与轨道之间设置厚度可调的绝缘垫片，并通过调整绝缘垫片厚度使钢拉条与道床底面保持贴合。与现有技术相比，本发明的方法能够在保证特殊浮置板道床减振性能不受影响的前提下，有效提高特殊浮置板道床盾构隧道结构的强度和刚度，并起到控制收敛变形和裂缝发展的作用。该方法取材方便、施工快捷、安全可靠，具有广阔的应用前景。
Steel plate reinforcing method for special floating slab ballast bed shield tunnel structure
The invention relates to a method for reinforcing a special floating slab ballast bed shield tunnel structure steel plate. The method comprises the following steps that concrete, higher than a track plane, of the upper portion of a special floating slab ballast bed is chiseled away; carrying out flattening treatment on the chiseled plane; the arc-shaped steel plates are connected; steel corbels are arranged at the ends of the arc-shaped steel plates at the two ends and are placed on the special floating slab ballast bed, gaps are reserved between the corbels and the special floating slab ballast bed, and rigid connection is not conducted between the corbels and the special floating slab ballast bed; the steel corbels on the two sides are connected through steel braces; an insulating spacer with the adjustable thickness is arranged between the steel brace and the track, and the steel brace is attached to the bottom face of the track bed by adjusting the thickness of the insulating spacer. Compared with the prior art, the method has the advantages that the strength and rigidity of the shield tunnel structure of the special floating slab ballast bed can be effectively improved on the premise that the vibration reduction performance of the special floating slab ballast bed is not affected, and the effect of controlling convergence deformation and crack development is achieved. The method is convenient in material taking, rapid in construction, safe and reliable, and has a wide application prospect.
本发明涉及一种特殊浮置板道床盾构隧道结构钢板加固的方法，包括如下步骤：凿除特殊浮置板道床上部高出轨道平面的混凝土；对凿除平面平整处理；连接各块弧形钢板；两端的弧形钢板端部设置有钢牛腿，放置于特殊浮置板道床上，并在牛腿与特殊浮置板道床间预留空隙，不作刚性连接；将两侧钢牛腿通过钢拉条连接；在钢拉条与轨道之间设置厚度可调的绝缘垫片，并通过调整绝缘垫片厚度使钢拉条与道床底面保持贴合。与现有技术相比，本发明的方法能够在保证特殊浮置板道床减振性能不受影响的前提下，有效提高特殊浮置板道床盾构隧道结构的强度和刚度，并起到控制收敛变形和裂缝发展的作用。该方法取材方便、施工快捷、安全可靠，具有广阔的应用前景。
Steel plate reinforcing method for special floating slab ballast bed shield tunnel structure
一种特殊浮置板道床盾构隧道结构钢板加固的方法
ZHUANG QUNHU (Autor:in) / ZHA HONGXING (Autor:in) / LIU JIANGUO (Autor:in) / WANG JIALEI (Autor:in) / QIN YIMIN (Autor:in) / GAN HAIJIE (Autor:in) / LIU XIAN (Autor:in)
22.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01B
PERMANENT WAY
,
Gleisoberbau
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