KUAT TARIK DAN POLA KEGAGALAN KOMBINASI SAMBUNGAN BAUT DAN SEKRUP PADA BAJA CANAI DINGIN

Authors

  • Muhammad Nur Ikhsan Deprtemen Teknik Sipil dan Lingkungan, Fakultas Teknik, Universitas Gadjah Mada, Yogyakarta
  • Ali Awaludin Deprtemen Teknik Sipil dan Lingkungan, Fakultas Teknik, Universitas Gadjah Mada, Yogyakarta
  • Andreas Triwiyono Deprtemen Teknik Sipil dan Lingkungan, Fakultas Teknik, Universitas Gadjah Mada, Yogyakarta

DOI:

https://doi.org/10.21831/inersia.v16i2.36900

Abstract

ABSTRAK

 

Saat ini, material Cold Formed Steel (CFS) lebih umum digunakan karena kekuatan tariknya yang diketahui daripada material Hot Rolled Steel (HRS). Bahan konstruksi CFS tidak hanya digunakan untuk fungsi struktur atap, tetapi juga banyak digunakan sebagai struktur bangunan. Perilaku koneksi kombinasi baut dan sekrup CFS diidentifikasi untuk mengetahui jenis kegagalan dan kapasitas sambungan. Beban maksimum pengujian tarik diterapkan pada dua jenis bahan CFS. Spesimen dalam penelitian ini terdiri dari dua variasi ukuran lembar CFS 40 mm x 340 mm dan 40 mm x 360 mm. Lembar pertama digunakan untuk sambungan sekrup, baut dilengkapi ring, dan baut tanpa ring. Lembar kedua digunakan untuk sambungan kombinasi sekrup dengan baut tanpa ring dan sambungan kombinasi sekrup dengan baut dilengkapi ring. Hasil penelitian menunjukkan bahwa nilai slip spesimen sambungan baut dilengkapi ring lebih besar daripada spesimen sambungan baut tanpa ring. Nilai kapasitas tarik yang diperoleh dari koneksi kombinasi baut dengan washer dan sekrup lebih besar daripada yang tanpa ring dengan sekrup. Pola kegagalan pengujian tarik adalah kegagalan sobek dan kegagalan patah.

 

Kata kunci: kombinasi, sambungan, baut, sekrup, CFS

 ABSTRACT

Nowadays, Cold Formed Steel (CFS) materials is more commonly used because of its known tensile strength than Hot Rolled Steel (HRS) material. CFS construction material is not only used for roof structures function, but also widely used as building structures. The behavior of bolt and screw combination connections of CFS was identified to know the type of failure and connection capacity. A maximum load of tensile testing was applied to two type of CFS materials. The specimens in this study consisted of two variations CFS sheet sizes 40 mm x 340 mm and 40 mm x 360 mm. The first sheet is used for screw connectors, bolt with washers, and bolt without washers. The second sheet is used for screw connectors combined with bolts without washer and screw connectors combined with bolts and washer. The results showed that the slip value of the bolt connection specimens with washers was greater than the bolt connection specimens without washer. The tensile capacity value obtained by the bolt combination connection with washer and screw was more rodust than the one without washer and screw. The failure patterns of tensile testing were a pull-through and fracture failures.

 

Keywords: combination, connection, bolt, screw, CFS

ABSTRAK

 

Saat ini, material Cold Formed Steel (CFS) lebih umum digunakan karena kekuatan tariknya yang diketahui daripada material Hot Rolled Steel (HRS). Bahan konstruksi CFS tidak hanya digunakan untuk fungsi struktur atap, tetapi juga banyak digunakan sebagai struktur bangunan. Perilaku koneksi kombinasi baut dan sekrup CFS diidentifikasi untuk mengetahui jenis kegagalan dan kapasitas sambungan. Beban maksimum pengujian tarik diterapkan pada dua jenis bahan CFS. Spesimen dalam penelitian ini terdiri dari dua variasi ukuran lembar CFS 40 mm x 340 mm dan 40 mm x 360 mm. Lembar pertama digunakan untuk sambungan sekrup, baut dilengkapi ring, dan baut tanpa ring. Lembar kedua digunakan untuk sambungan kombinasi sekrup dengan baut tanpa ring dan sambungan kombinasi sekrup dengan baut dilengkapi ring. Hasil penelitian menunjukkan bahwa nilai slip spesimen sambungan baut dilengkapi ring lebih besar daripada spesimen sambungan baut tanpa ring. Nilai kapasitas tarik yang diperoleh dari koneksi kombinasi baut dengan washer dan sekrup lebih besar daripada yang tanpa ring dengan sekrup. Pola kegagalan pengujian tarik adalah kegagalan sobek dan kegagalan patah.

 

Kata kunci: kombinasi, sambungan, baut, sekrup, CFS ABSTRACT

Nowadays, Cold Formed Steel (CFS) materials is more commonly used because of its known tensile strength than Hot Rolled Steel (HRS) material. CFS construction material is not only used for roof structures function, but also widely used as building structures. The behavior of bolt and screw combination connections of CFS was identified to know the type of failure and connection capacity. A maximum load of tensile testing was applied to two type of CFS materials. The specimens in this study consisted of two variations CFS sheet sizes 40 mm x 340 mm and 40 mm x 360 mm. The first sheet is used for screw connectors, bolt with washers, and bolt without washers. The second sheet is used for screw connectors combined with bolts without washer and screw connectors combined with bolts and washer. The results showed that the slip value of the bolt connection specimens with washers was greater than the bolt connection specimens without washer. The tensile capacity value obtained by the bolt combination connection with washer and screw was more rodust than the one without washer and screw. The failure patterns of tensile testing were a pull-through and fracture failures.

 

Keywords:combination, connection, bolt, screw, CFS

 

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Published

2020-12-24

How to Cite

Ikhsan, M. N., Awaludin, A., & Triwiyono, A. (2020). KUAT TARIK DAN POLA KEGAGALAN KOMBINASI SAMBUNGAN BAUT DAN SEKRUP PADA BAJA CANAI DINGIN. Inersia : Jurnal Teknik Sipil Dan Arsitektur, 16(2), 144–157. https://doi.org/10.21831/inersia.v16i2.36900

Issue

Vol. 16 No. 2 (2020): Desember

Section

Articles

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