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

土木工程材料第四章-文庫吧資料

2024-09-05 08:57本頁面
  

【正文】 y proportioned concrete ? Shear slump ? Concrete lacks plasticity and cohesion ? Collapse slump ? Lean, harsh or extremely wet concrete Remended slumps for various type of construction Type of construction Slump (mm) Max Min Footings, caissons, foundation walls and substructure walls 75 25 Beams, columns and walls 100 25 Pavement and slabs 75 25 Mass concrete 50 25 Factors affecting Consistency and Workability ? Internal Factors ? Cement properties ? Proportion of cement, Types of cement, Fineness ? Aggregate properties ? Surface area of aggregate, shape, gradation, maximum size of aggregate ? Water content ? WatertoCement ratio 水灰比 ? Admixtures ? Waterreducing admixture, airentraining admixture 減水劑、引氣劑 Factors affecting Consistency and Workability ? External Factors ? Environment ? Temperature, humidity, wind speed
點擊復制文檔內(nèi)容
環(huán)評公示相關推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號-1