freely supported beam meaning in English

简支梁
自由搁支梁

However , the pre - stressed anchor cables on the upper part of the piles make the whole stabilizing system like freely supported beams or some other h yperstatic structures . with the number of restraints increasing , it makes much easier to control the displacement of the piles and to reduce the bending moments and shearing forces along the piles to a certain extent
增加预应力锚索后，整个结构体系接近简支梁或其它超静定结构，随着约束的增加桩身的位移控制变得容易许多，同时桩身内力值也在一定程度上减少较多。