Jojok Widodo Soetjipto
(Staf pengajar Jurusan Teknik Sipil, Fakultas Teknik, Universitas Jember)
ABSTRACT: In the low cost housing, the foundation that is often used is the stone foundation whose implementation require the mobilzation more materials and labor. While the project is currenly forced to be more rapid, efficient and higher quality. The application of precast system can be a solution. Precast foundation is a concrete foundation that molded and fabricated in casting yard and site installation. This study aimed to compare the use of the stone foundation with precast foundation in term of cost and implementation time. Results obtained by dimensional analysis calculation sloof and precast foundation for a length of 2 m is the 10/20 cm and 65x65 cm, length 3 m is 17/25 cm and 85x85 cm, and for length of 4 m is 23/33 cm and 100x100 cm. While the comparison of the two types of foundation show that the efficiency gained in the use of precast foundation of 5.14% on average with the acceleration of the implementation time of 56,93% on average.
Keywords: Pondasi batu kali, pondasi pracetak, perumahan sederhana
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