freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

擋土墻的外文翻譯(編輯修改稿)

2025-06-26 02:01 本頁面
 

【文章內(nèi)容簡介】 phisticated cultures to reinforce mud bricks and mud walls. Nevertheless, in spite of this long usage, French architect H. Vidal was able to obtain a patent (ca. mid1960s) on the general configuration of , which he termed “reinforced earth”. We see three basic ponents in this figure. ① the earth fill—usually select granular material with less than 15 percent passing sieve. ② reinforcement—strips or rods of metal, strips or sheets of geotextiles, wire grids, or chain link fencing or geogrids (grids made from plastic) fastened to the facing unit and extending into the backfill some distance. Vidal used only metal strips. ③ facing unit—not necessary but usually used to maintain appearance and to avoid soil erosion between the reinforcements. These three ponents are bined to form a wall whose side view is shown in . When wire mesh or other reinforcement with discontinuities (grid voids) is used, apportion may be bent , similar to the sheet of , to form a facing unit. Gridtype reinforcements strengthen the soil through a bination of friction and passive pressure pullout resistance. The bentup portio
點擊復制文檔內(nèi)容
畢業(yè)設計相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖片鄂ICP備17016276號-1