International Journal of Research in Engineering and Science (IJRES) Volume 10 Issue 1 2022 PP. 60-66 http://repository.polnep.ac.id:80/xmlui/handle/123456789/1992 2026-04-05T01:54:59Z 2026-04-05T01:54:59Z Ryanti, Eva Kurniawan, Pramudya Nernawani M. Arif, Robby Arianti, Iin http://repository.polnep.ac.id:80/xmlui/handle/123456789/2067 2022-10-13T18:26:53Z 2022-10-14T00:00:00Z

Identification of Damage Type of Side Ditch Drainage at BenuaMelayuLaut Village, Pontianak City, West Borneo, Indonesia Ryanti, Eva; Kurniawan, Pramudya; Nernawani; M. Arif, Robby; Arianti, Iin One of the causes of the damage to the side ditch is the absence of a maintenance process, the absence of supporting water management for settlements on the banks of the Kapuas River, especially in the BenuaMelayuLaut (BML) Village, Pontianak, Indonesia. This area often floods during the rainy season, therefore this research needs to be done. The purpose of this study is to identify damage to the existing drainage system, how to handle it and actions to overcome flooding problems in the area caused by damage to the drainage side ditch management system. The qualitative method of determining the types of severe, moderate and light damage is then identified and determined by the type of handling in the form of routine maintenance, periodic maintenance and rehabilitation in the form of construction of new drainage. Based on the analysis of the type of damage, it was found that the damage was minor by 20.00%, it was necessary to carry out routine maintenance; moderately damaged 14.29%, need periodic maintenance, no drainage channel 34.29%, so it must build a new channel (rehabilitation); and 31.43% natural channels, need regular maintenance.

2022-10-14T00:00:00Z Asmadi Hariyani, Susi Nizar Arianti, Iin http://repository.polnep.ac.id:80/xmlui/handle/123456789/1993 2022-01-25T17:41:39Z 2022-01-24T00:00:00Z

Correlation of Concrete Quality to Water Seepage on Reinforced Concrete Slab Roofs Asmadi; Hariyani, Susi; Nizar; Arianti, Iin The quality of concrete is very dependent on the use of aggregates that we use in the concrete mix, and each aggregate that comes from nature has a different water absorption value depending on where the aggregate comes from and where it is located. If it is connected to the compressive strength of concrete, the greater the aggregate positivity number, the smaller the strength of the concrete and the greater the absorption capacity of the concrete to accommodate water in the concrete. The purpose of this research is to look for field problems where every concrete floor that functions as a roof and floor always causes problems, namely freequent leaks due to seepage of rainwater when it rains. From research on 3 types of concrete quality, it wasfound that K-175 kg/cm2 produced a water absorption capacity of 2. 77% and the value of the absorption test results for the quality of K-250 kg/cm2 was 1.30% as well as the value of the results of the absorption test for the quality of K-300 kg/cm2 was 0.69%. Then from the floor slab model with 3 types of concrete quality, it was obtained from the observation that the quality of the K-175 kg/cm2 concrete could show seepage on the bottom surface of the floor slab model at the age of 2 days of soaking, but the floor slab model with concrete quality K- 250 kg/cm2 and concrete quality K-300 kg/cm2 there is no seepage. It can be concluded that the lower the quality of the concrete, the greater the water absorption capacity of the concrete and the greater the seepage of water into the concrete, and vice versa.

2022-01-24T00:00:00Z