Zein, Abdul Karim Mohammad. “IMPROVING THE CAPACITY OF BORED PILES BY BASE GROUTING CASE STUDY; SINNAR BRIDGES PROJECT IN SUDAN”. University of Khartoum Engineering Journal 11, no. 1 (August 29, 2021). Accessed August 29, 2025. https://uofkej.uofk.edu/index.php/uofkej/article/view/255.