In the pile group under lateral load, two types of interactions between soil and pile occur, namely the shadowing effect and the edge effect. When the piles in the pile group are subjected to the lateral loading, these two effects reduce the bearing capacity of the piles. In the present study, this pile group has been used to inhibit the integral bridge. In this study, the pile group under lateral load was tested in single-row and two-row arrangements. In the two-row arrangement of the piles, the distance of the piles increases compared to the single-row arrangement of the piles, but the effect of the interaction of the piles changes from the edge effect to the shadowing effect. According to the results of this study in the pile group under lateral load, if the distance between the piles is less than 3 D (D: pile dimension), the shadowing effect has a greater effect on the bearing capacity of the pile group compared to the edge effect. According to laboratory tests, the shear strain of the soil around the piles in single-row arrangement is less than in two-row arrangement. As a result, single-row arrangement has more load bearing capacity than two-row arrangement.

在侧向荷载作用下的桩群中，土与桩之间发生两种相互作用，即阴影效应和边缘效应。当群桩中的桩承受侧向荷载时，这两种效应都会降低桩的承载力。在本研究中，该桩组已被用于抑制整体桥梁。在这项研究中，桩组在侧向荷载下进行了单排和两排布置的测试。两排排桩相比单排排桩，桩距增加，但桩间相互作用的效果由边缘效应转变为遮蔽效应。根据本次在侧向荷载作用下的桩群研究结果，如果桩间距小于3D（D：桩尺寸），与边缘效应相比，阴影效应对桩组承载力的影响更大。根据室内试验，单排桩周围土体的剪应变小于两排桩。因此，单排布置比两排布置具有更大的承载能力。