筒拱

Barrel Vault

筒形拱

筒形拱(Barrel Vault)覆盖平面为长方形的内部空间的拱顶,半圆形,单向的即称筒拱,与筒拱走向平行的两侧墙为承重墙6、罗马叠柱式 为了解决柱式和多层建筑物的矛盾.

barrel vault form

筒拱模板

barrel vault 筒形拱顶,半圆形拱顶 | barrel vault form 筒拱模板 | barrel vault formwork 筒拱模板

barrel vault formwork

筒拱模板

barrel vault form 筒拱模板 | barrel vault formwork 筒拱模板 | barrel whip 炮口跳动

Cross Vault

十字拱

2) 十字拱(Cross Vault)用两个等跨筒拱在平面上胡成直角相贯,以覆盖方形平面的空间,这样可取消承重墙,仅四角共四个支点即可支承十字拱顶,使空间开放,结构重量减轻.

groin vault

棱拱

筒拱barrel vault | 棱拱groin vault | 网状拱reticulated vault

vault, vaulted roof

筒拱

平拱 flat arch | 筒拱 vault, vaulted roof | 半圆穹顶 concha

arch barrel

(连拱坝的)拱筒

arch bar truck ==> 菱形车架,菱形转向架 | arch barrel ==> (连拱坝的)拱筒 | arch block ==> 拱块,(楔形的)拱面石

cylindrical brick arch

砖筒拱

curved support 弧形支座(51) | cylindrical brick arch 砖筒拱(43) | decay 腐朽(71)

vaulting shaft

筒拱柱

vaulting masonry ==> 穹顶圬工 | vaulting shaft ==> 筒拱柱 | VAV, variable air volume air conditioning ==> 变风量空气调节系统

vaulting pillar

筒拱柱

vaulting masonry ==> 穹顶圬工 | vaulting pillar ==> 筒拱柱 | vaulting shaft ==> 筒拱柱

haulage device：拖曳设备;运输设备

haul road 运料路;拖运材料的道路 | haulage device 拖曳设备;运输设备 | hazardous slope 危险斜坡

Let sb. in：让某人进

8.be late for school上学迟到 | 9.let sb in让某人进 | 11.travel around the world环游世界