Investigation of Infiltration Rate onSoft Claythat Affecting the Ponding Time Mohd Shalahuddin Adnan, Mohd Aliff Mohd Anuar, Muhammad Nda and Siti Nazahiyah Rahmat MATEC Web Conf., 103 (2017) 04021 Published online: 05 April 2017 DOI: 10.1051/matecconf/201710304021