tunnel portal

常見(jiàn)例句

Active earth pressure is the main load acted on tunnel portal . it's a key actor in tunnel portal design.
主動(dòng)土壓力是作用在隧道洞門(mén)上的主要荷載，是進(jìn)行洞門(mén)設(shè)計(jì)的關(guān)鍵因素。
Railway tunnel portal is always designed according to the standard drawing with experience. Research on new-style tunnel portal is necessary.
現(xiàn)有的鐵路隧道洞門(mén)的設(shè)計(jì)只是經(jīng)驗(yàn)性地照搬標(biāo)準(zhǔn)圖的模式，而對(duì)新型隧道門(mén)的研究是必要的。
Combined with the design requirements and the trait of the tunnel portal at Beijing Shanghai high speed railway, this paper introduces a new type of tunnel portal——the tunnel portal without end wall.
本文結(jié)合京滬高速鐵路隧道門(mén)設(shè)計(jì)的要求及特點(diǎn)，詳細(xì)介紹了一種新穎的洞門(mén)結(jié)構(gòu)形式——無(wú)端墻隧道門(mén)的結(jié)構(gòu)特點(diǎn)、適用條件、排水系統(tǒng)及結(jié)構(gòu)檢算。