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13 1 . 13 . 1
Vo l N o
2006 2 Resear ch o f Soil and Water Con serv ation Feb . , 200 6
1, 2 1 1 1
杜长江 , 杨 忠, 熊东红, 周红艺
( 1. , 610041 2. , 100039)
:
,
, ,
:
: S 152: A : 1005-3409( 2006) 0 1-0269-02
Facts and Envisage of Soil Swelli ng- Shrinkage
1, 2 1 1 1
- , , - , -
DU Ch ang jiang Y A N G Zhong XIO N G Do ng ho ng ZHO U Hong y i
( 1. ,
Institute of Mountain H az ards and Environment Chinese A cademy of Science Ministry of Water
Conservancy, Chengdu 6 1004 1, China 2 . Graduate School of the Chinese Academy of Sciences, Beij ing 1000 39 , China)
Abstract: So il sw elling - shr inkag e is r elat ed to ch ange in so il volum e w ith w ater co ntent in the pro cess of soil dr ying and
w etting . T he r eview is summ arized in som e asp ect s, su ch as ex pressio n m etho ds o f so il v olum e ch ang e, ch aracter istic of soil
crack , w ater mo ve m ech anics in exp an sive so il , mo del s o f so il shr inkage ch ara ct eristics curv e and related f act or s aff ecting soil
sw elling- shrinka ge. M eanw hile, pr osp ect is noted f or future r esear ch w o rk .
Key words: soil sw elling- shr inka ge ch ar acteristics of ch ange related f actor s
, [ 3]
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