拱架

Apri telo hacia abajo hasta encajarlo en posici n vertical.

向下按支撑拱架将其锁定在垂直位置。

A genetic algorithm is applied to solve them for gantry machines.

针对拱架型贴片机，采用了一种遗传算法。

After the structure was optimized, the intensity utilization coefficient of horizontally side-post, arch steel tube and mid-post increased 18%, 3%and 25%respectively, the vertically side-post which was utilized insecurely and insatiably utilized securely, stably, and reasonably, and steel of main body was saved about 3.7%.

优化设计后的连栋塑料温室，其横边柱、拱架和中柱的强度利用率分别提高了18%、3%和 25%，纵边柱由非安全失稳利用转向稳定安全性合理利用，主体结构节省钢材3.7%。

It presents the structural design of the latticed shells and the arches in the gymnasium of Datong Univercity.

介绍了体育馆网壳与拱架结构设计中涉及的问题及解决方法。

Row of circular arc steel pipe were used to support respectively in the steel pipe support longitudinal base and the crown on the skewback, causing the steel centering and the steel pipe support combines the overall rigid arch centering, both common stress, has enlarged the arch centering application span and the steel pipe support altitude effectively.

采用了在钢管支架纵向底部和顶部各设置4排圆弧钢管支撑于拱座上，使钢拱架与钢管支架组合成整体刚性拱架，两者共同受力，有效加大了拱架的应用跨径和钢管支架的高度。

The construction steps in rigid-frame bridge construction are full framing erection, in-situ casting of arch rib and straining concrete beam,folding of the arch ribs into a whole arch together,installation of the minor angle block and concrete filling till the deck forms into an integrity.

钢筋混凝土刚架拱桥现浇施工工艺主要是搭设满堂拱架，现浇拱片、横系梁混凝土，使主拱先合拢成单片拱片，然后安装微弯板、再浇筑混凝土填平层及桥面形成整体。

The construction method of concreting layer by layer and segment by segment could reduce the use of steel and save construction cost,when concrete box arch ring was built cast-in-place with aid of arch centering.

混凝土箱型拱桥在无支墩拱式拱架上现浇施工时，采用分环分段的施工方法，可以利用拱圈与拱架的联合作用，减少钢拱架的用钢量，达到节省施工成本的目的。

Daheidu Nujiang bridge arch bracket is made of steel and it uses the standard elements forming spatial truss.

1引言 打黑渡怒江大桥拱架为钢结构，采用万能杆件拼装而成，形成空间析架。

The company's main products are: BZ-20ES, BZ-18ES utility mining loaders, the equipment can be used for ballast Tunnels, finding the top, were seized at the end, multi-wall clearance, is a sophisticated tunnel construction machinery; needle beam,穿行Top-and-steel arch concrete lining vehicles; wheel, the rail-lines, electric and internal combustion and hydraulic models at 2.5 M3, 3M3, 5M3, 6M3 series of concrete mixing tanker transport, steel Gongjia Bending special equipment - cold-formed; MTR and construction works under pressure by the pile-pipe, steel support, the steel tube PURLIN; works for pulling the pipe wall lock pile with all the various models of hydraulic Stubbs pile driver; Various public facilities used in steel structure, the grid system, and so on.

公司的主要产品有：BZ-20ES、BZ-18ES型多功能挖掘装载机，可用于隧道的装碴、找顶、捡底、多墙清理，是一种先进的隧道施工机械；针梁式、穿行式以及边顶拱式砼衬砌钢模台车；轮式、轨行式、电动式、内燃式和液压式，型号分2.5M3 、3M3、5M3、6M3 系列砼搅拌输送罐车；钢拱架弯曲专用设备---冷弯机；地铁及建筑桩基工程承压用的钢管柱、钢支撑、钢围檩；工程连续墙锁喉管拔桩用的各种型号全液压拔桩机；各种公共设施用的钢结构、网架制安等。

Curved secondary trusses have a triangular cross-section 3.5m deep, spanning 40-55mm between the front arch and the rear of the concrete stand.

横向的三角形桥架断面3.5m高，连接屋顶前沿的拱架和后面的混凝土看台，跨度40m－55m。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。