土木工程

. Each piece of equipment should be level of their tracks and for deep digs in pact material a backacter is most useful, but its dumping radius is considerably less than that of 4 the same escavator

ms transferred from other large equipment reserve, even bought some of the projects do not require the equipment, resulting in longterm suspension equipment. , Construction ⑺ unreasonable

ry in the choice of concrete sections, with assumptions based on conditions at site, availability of the constituent materials, particular demands of the owners, architectural and headroom

steel strain, concrete strain, steel stress, and so on. Consequently, trial and adjustment is necessary in the choice of concrete sections, with assumptions based on conditions at site, availability

erence of the pitch , exert a great influence on pitch mixture. To the expressway , Class I Highway pitch mixture, the content of the natural sand is unsuitable to exceed 20%, the stone bits powder