拱助 meaning in Chinese

groin

On basis of the character of the structure at the stage of construction , the stress balanced method was developed to decided the forces of cables and the stresses of the arch rib sections , which is according to the normal stress controlling conditions on the top and bottom of arch rib section and considering the influence matrix
针对这一受力特点，本文根据拱肋截面上、下缘应力平衡条件及影响矩阵的概念，发展了应力平衡法，用以确定拉索的合理索力，从而使拱助结构受力合理并具有理想的线形。