The paper also gives the range of stability of key block of voussoir beam and measures to be taken in various conditions.
文中还给出了“砌体梁”关键块体结构的稳定范围及在各种条件下应采取的相应措施。
2
Through the analysis of jig, the air operated jig was used which is composed by the voussoir-roller aggregate unit to solve the present production problems.
通过对夹具的分析，决定采用由楔块-滚柱联动机构组成的气动夹具来解决生产中的实际问题。
3
The major factors that affect the stability of the structure are rotational angle of the voussoir beam, ratio of length and height, rock type and height of carrying rock strata.