Deadri, Faaiz Taqiy (2024) Perencanaan Ulang Embedded Walls pada Basement Rumah Sakit Waron Spesialis Ibu dan Anak Surabaya. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Rumah Sakit Waron Spesialis Ibu dan Anak yang berada di Jalan Kaliwaron 106-114 direncanakan memiliki ketinggian 12 lantai dan dilengkapi dengan basement dengan kedalaman variatif -3,2 m dan 7,2 m. Lokasi proyek ini berada di sekitar kawasasan padat penduduk dan padat lalu lintas. Saat proyek akhir ini ditulis, Rumah Sakit Waron sedang dalam tahap pekerjaan basement. Saat pekerjaan basement, monitoring inklinometer pada titik B4 menunjukkan nilai defleksi 7,2 cm yang bernilai 0,9% dari kedalaman galian. Syarat SNI 8460:2017 mensyaratkan defleksi maksimum 0,5% H atau 3,875 cm. Tahapan pengerjaan tulisan ini diawali dengan analisa data SPT, gambar struktur, dan data inklinometer. Beban dan gaya yang bekerja berupa beban tambahan 1 t/m2, gaya lateral tanah, dan gaya tegangan air. Penentuan kriteria desain didapatkan batas deformasi 0,5% dari kedalaman galian. Perhitungan tekanan lateral tanah dan pemodelan dengan bantuan program Plaxis dimana akan menghasilkan deformasi maksimum. Perhitungan dan kontrol strutting dilakukan sebagai sistem penunjang dari embedded walls itu sendiri sesuai SNI 1729:2020. Apabila kontrol sudah memenuhi persyaratan, selanjutnya dilakukan penggambaran desain embedded walls. Pemodelan Plaxis menunjukkan bahwa secant pile tipe 2 melebihi batas deformasi, yaitu 4,16 cm sehingga diberikan perlakuan berupa penurunan MAT di luar galian hingga -7 m, penggantian strut ke WF 610 x 325 x 22,1 x 39,9, dan penggantian diameter secant pile ke 1 m sehingga deformasi 3,8 < 3,85 cm. Analisa embedded walls yang dilakukan menunjukkan safety factor aman dari stabilitas dasar galian berupa basal heave, push-in, dan piping. Perbandingan deformasi dari permodelan yaitu potongan A tipe 1 3,8 < 3,85 cm, tipe 2 1,34 < 3,85 cm, potongan B dan C 2,19 < 3,85c m. Sedangkan untuk gaya tekan yang bekerja pada strut sebesar 91,02 t/m pada strut horizontal, 42,21 t/m pada strut end brace, dan 74,92 t/m pada strut corner brace memenuhi persyaratan SNI 1729:2020. Kontrol uplift memenuhi safety faktor yang disyaratkan, yaitu plat lantai lv.1 safety factor bernila 1,955 > 1,2, dan pada plat lantai lv.1 safety factor bernila 4,475 > 1,2.
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The Waron Mother and Child Specialist Hospital, which is located on Jalan Kaliwaron 106-114, is planned to have a height of 12 floors and be equipped with a basement with varying depths of -3.2 m and 7.2 m. The location of this project is in a densely populated and traffic-dense area. When this final project was written, Waron Hospital was in the basement work stage. During basement work, inclinometer monitoring at point B4 showed a deflection value of 7.2 cm which was 0.9% of the excavation depth. SNI 8460:2017 requirements require a maximum deflection of 0.5% H or 3.875 cm. The stages of working on this paper began with analysis of SPT data, structural drawings and inclinometer data. The loads and forces that work are in the form of an additional load of 1 t/m2, lateral soil force, and water tension force. Determining the design criteria obtained a deformation limit of 0.5% of the excavation depth. Calculation of soil lateral pressure and modeling with the help of the Plaxis program which will produce maximum deformation. Strutting calculations and control are carried out as a supporting system for the embedded walls themselves according to SNI 1729:2020. If the control meets the requirements, the embedded walls design is then drawn. Plaxis modeling shows that the type 2 secant pile exceeds the deformation limit, namely 4.16 cm, so it is given treatment in the form of reducing the MAT outside the excavation to -7 m, replacing the strut to WF 610 x 325 x 22.1 x 39.9, and changing the diameter secant pile to 1 m so that the deformation is 3.8 < 3.85 cm. The embedded walls analysis carried out shows that the safety factor is safe from the stability of the excavation base in the form of basal heave, push-in, and piping. Comparison of deformation from the model, namely piece A type 1 3.8 < 3.85 cm, type 2 1.34 < 3.85 cm, pieces B and C 2.19 < 3.85c m. Meanwhile, the compressive force acting on the strut is 91.02 t/m on the horizontal strut, 42.21 t/m on the strut end brace, and 74.92 t/m on the strut corner brace, meeting the requirements of SNI 1729:2020. The uplift control meets the required safety factors, namely the floor plate lv.1 safety factor is 1.955 > 1.2, and for the floor plate lv.1 the safety factor is 4.475 > 1.2
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Embedded walls, galian dalam; secant pile, deep excavation |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA455.S6 Soil (Materials of engineering and construction) T Technology > TA Engineering (General). Civil engineering (General) > TA645 Structural analysis (Engineering) T Technology > TA Engineering (General). Civil engineering (General) > TA658 Structural design T Technology > TA Engineering (General). Civil engineering (General) > TA749 Soil stabilization T Technology > TA Engineering (General). Civil engineering (General) > TA760+ Retaining walls |
| Divisions: | Faculty of Vocational > Civil Infrastructure Engineering (D4) |
| Depositing User: | Faaiz Taqiy Deadri |
| Date Deposited: | 12 Feb 2024 00:57 |
| Last Modified: | 12 Feb 2024 00:57 |
| URI: | http://repository.its.ac.id/id/eprint/106779 |
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