各類土壤滲透系數(shù)、給水度、孔隙率等指標經(jīng)驗值(最新整理)

1、毛昶熙主編堤防工程手冊所給經(jīng)驗值：表 1各種土的滲透系數(shù)經(jīng)驗值土質(zhì)類別k(cm/s)土質(zhì)類別k(cm/s)粗礫10.5黃土（砂質(zhì)）1e-31e-4砂質(zhì)礫0.10.01黃土（泥質(zhì)）1e-51e-6粗砂5e-21e-2黏壤土1e-41e-6細砂5e-31e-3淤泥土1e-61e-7黏質(zhì)砂2e-31e-4黏土1e-61e-8沙壤土1e-31e-4均勻肥黏土1e-81e-10表 2巖石和巖體的滲透系數(shù)巖塊k（實驗室測定，cm/s）巖體k（現(xiàn)場測定，cm/s）砂巖（白堊復理層）1e-81e-10脈狀混合巖3.3e-3粉巖（白堊復理層）1e-81e-9綠泥石化脈狀頁巖0.7e-2花崗巖2e-105e-11

2、片麻巖1.2e-31.9e-3板巖1.6e-107e-11偉晶花崗巖0.6e-3角礫巖4.6e-10褐煤層1.7e-22.39e-2方解巖9.3e-87e-10砂巖1e-2灰?guī)r1.2e-77e-10泥巖1e-4白云巖1.2e-84.6e-9鱗狀片巖1e-21e-4砂巖1.2e-51.6e-71 個呂榮單位裂隙寬度0.1mm 間距1m 和不透水巖塊的巖體0.8e-4砂泥巖2e-66e-7細粒砂巖2e-7蝕變花崗巖0.6e-51.5e-5巖土類別滲透系數(shù) k（cm/s）孔隙率 n給水度資料來源礫2400.3710.354瑞士工學研究所粗礫1600.4310.338砂礫0.760.3270.251砂

3、礫0.170.2650.182砂礫7.2e-20.3350.161中粗砂4.8e-20.3940.18含黏土的砂1.1e-40.3970.0052含黏土 1%的砂礫2.3e-50.3940.0036含黏土 16%的砂2.5e-60.3420.0021表 3各種巖土的給水度礫重粉質(zhì)壤土d50=0.02mm2e-40.4420.007南京水利科學研究院中細砂d50=0.2mm1.7e-36.1e-40.4380.3920.0740.039粗礫 d50=5mm6130.3920.36砂礫石料2.4e-30.3020.078砂礫石料1.1e-10.2640.096砂礫石料1150.3060.22砂礫石

4、料0.250.4420.3砂礫石料6.72e-20.3580.21砂礫巖0.0250.35o.b.c膠結(jié)砂巖0.020.03裂隙石灰?guī)r0.0030.1巖土類別e（kgf/m2）s（/m）塑性軟黏土4.9e43.9e52e-22.6e-3堅硬黏土3.9e57.8e52.6e-31.3e-3中等硬黏土7.8e51.5e61.3e-36.9e-4松砂9.8e52e61e-34.9e-4密實砂4.9e67.8e62e-41.3e-4密實砂質(zhì)礫9.7e62e71e-44.9e-5裂隙節(jié)理的巖石1.5e73.2e86.9e-53.3e-6較完整的巖石3.1e83.3e-6表 4各種巖土的壓縮彈性模量 e

5、及單位儲存量 s 的值鄭春苗，gordon d.bennett 著地下水污染物遷移模擬所給經(jīng)驗值：材料滲透系數(shù) k（cm/s）材料滲透系數(shù) k（cm/s）沉積物砂巖3e-86e-4礫石3e-23泥巖1e-91e-6粗砂9e-56e-1鹽1e-101e-8中砂9e-55e-2硬石膏4e-112e-6細砂2e-52e-2頁巖1e-112e-7粉砂，黃土1e-72e-3結(jié)晶巖冰磧物1e-102e-4可透水的玄武巖4e-53黏土1e-95e-7裂隙火成巖和變質(zhì)巖8e-73e-2未風化的海積黏土8e-112e-7風化花崗巖3e-43e-3沉積巖風化輝長巖6e-53e-4巖溶和礁灰?guī)r1e-42玄武巖2e-

6、93e-5表 5不同巖石類型的滲透系數(shù)取值范圍灰?guī)r，白云巖1e-76e-4無裂隙火成巖和變質(zhì)巖3e-123e-8表 6不同地質(zhì)材料的單位給水度材料單位給水度（%）材料單位給水度（%）礫石（粗）23灰?guī)r14礫石（中粗）24沙丘砂38礫石（細）25黃土18砂（粗）27泥炭土44砂（中粗）28片巖26砂（細）23泥巖12粉砂8耕作土（主要為泥）6黏土3耕作土（主要為砂）16砂巖（細粒）21耕作土（主要為礫石）16砂巖（中粒）27凝灰?guī)r21材料孔隙率（%）材料孔隙率（%）沉積物灰?guī)r，白云巖020礫石（粗）2436巖溶灰?guī)r550礫石（細）2538頁巖010砂（粗）3146結(jié)晶巖砂（細）2653有裂隙的結(jié)

7、晶巖010淤泥3461致密的結(jié)晶巖05黏土3460玄武巖335沉積巖風化花崗巖3457砂巖530風化輝長巖4245泥巖2141表 7不同地質(zhì)材料的孔隙率朱學愚，錢孝星 著地下水水文學所給經(jīng)驗值巖土類別孔隙率（%）巖土類別孔隙率（%）有充填的粗礫石28沙丘砂45粗砂39黃土49淤泥46凝灰?guī)r41細砂巖33玄武巖17石灰?guī)r30風化花崗巖45黏土42表 8典型孔隙率數(shù)值“”“”at the end, xiao bian gives you a passage. minand once said, people who learn to learn are very happy people. in

8、every wonderful life, learning is an eternal theme. as a professional clerical and teaching position, i understand the importance of continuous learning, life is diligent, nothing can be gained, only continuous learning can achieve better self. only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the needs of the market. this do