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三、桩板式和桩拱式挡墙的计算桩板式挡墙是由钢筋混凝土挡土板和锚固桩组合而成的挡土墙结构,其平面形状如图11所示。挡土板可以放在桩的后背(图11a)或前缘(图16b)。通常前者是为了节省模板而采用预制挡土板,锚固桩建成后再插入预制板,后者为挡土板与桩一起就地灌注混凝土。桩拱式挡墙由混凝土或石砌挡土拱和锚固桩组成,其平面形状如图12所示。采用挡土拱可以节省钢材,并可用混凝土块或石料砌筑。
Third, the calculation of pile-type and pile-arch retaining wall Pile-type retaining wall is made of reinforced concrete retaining wall and anchor pile combination of retaining wall structure, the plane shape shown in Figure 11. The earth plate can be placed on the back of the pile (Figure 11a) or the leading edge (Figure 16b). Usually the former is to save the template and the use of prefabricated retaining plate, anchor pile is completed and then insert the prefabricated plate, the latter for the soil and piles in situ with concrete. Pile arch retaining wall by the concrete or stone retaining arch and anchor pile composition, the plane shape shown in Figure 12. The use of retaining arch can save steel, and can be used concrete block or stone masonry.