Based on the introduction of principle and method in infiltration test of welding line, the standard is put forward for quality evaluation of joint construction in prestressed concrete pipe pile.
Nunmrical simulation is made for infiltration test model by using concealed-type difference method with alternating direction.
Based on soil water infiltration testing and related parameters measured in field, tillage soil water infiltration capacity attenuation process was analyzed and the mechanism was discussed.
Based on soil field infiltration test, the effects of corn straw mulch on freezing-thawing soil infiltration capacity are discussed.
