Sunday, April 1, 2012

Metode Pekerjaan Tiang Pancang

Metode Pekerjaan Tiang Pancang







Marking Lokasi Titik Pancang
Lokasi Pancang dari gambar kerja diaplikasikan di lapangan, ditarik dari BM yang telah diketahui

Memulai Pemancangan
Check dan kontrol vertikal tiang pancang saat awalan memukai pemancangan. Beri sedikit pukulan dan kontrol ulang.

Setelah kondisi vertikal stabil maka bisa dilanjut dengan tinggi jatuh hammer harus stabil.

Pengelasan Sambungan.
Yang perlu diperhatikan sebelum memukai pengelasan adalah ketepatan posisi sambungan secara vertikal. Jika sambungan tidak lurus benar, maka akan fatal sampai dapat mengakibatkan patah saat dilanjut pemukulan.
Pengelasan harus penuh dan standart yang baik adalah dilakukan hingga 3 lapis.
Setelah itu lindungi dengat cat anti karat akan lebih baik, kemudian diamkan 10 menit agar hasil las dingin dan cat menjadi kering, lanjutkan pukulan pemancangan.

Final Set Kalendering.
Pencatatan Kalendering dilakukan ketika secara visual penurunan pancang terlihat sangat lambat.



English Version :

PILING WORK

Building Lay-out Setting.

Based on BM the building lay-out shall be settled.



Marking the Position of Pile.

After building lay-out has been approved by the Engineer, position of pile shall start based on grid line of each building.



The position of pile shall be marked with re-bar D 13 or d 10, L=50 cm and top of re-bar is marked by plastic rope for easy to find out the re-bar when the pile position shall be rechecked before start drive of pile.







Driving Procedure.

After the location of test pile has been approved, drive of pile shall start.

The pile should be set down exactly at the designed position on the ground, recheck the point of pile is necessary before starting drive the pile. The allowable movement is maximum 10 cm from the center of point or ¼ diameter of pile.



The rig shall standing on the flat solid ground with steel plate and directed to the point. By wire rope, the pile is tied up, pulled, and directed to the cap of hammer and the bottom of pile is directed to the point.



The hammer should be selected in accordance with the outer diameter, length, weight, strength of pile and also the soil conditions. A heavier hammer is apt to destroy the piles and lighter hammer will cause inefficiency and excessive ram stroke which may break the pile head. The proper selection of hammer is essential.



The pile helmet should be made of steel or cast steel and equipped with a cushion. It should ensure a uniform transmission of driving energy from the hammer to the pile and have such a structure that its center coincides with that of the pile.



The vertical of pile should be checked from two angle by guidance and should be keep the vertical position when the pile driving operation. The allowable inclination for pile driving is less than 1/100.



The driving work should be continued to the recommended depth or the required Bearing Capacity. When pile bottom reached hard layer before reaching the recommended length, the pile shall be driven into the hard layer to penetrate at least 50 cm.



Using dolly is recommended if the pile is not enough but close to the recommended depth or the required Bearing Capacity.



Piling Record.

After drive of pile has been finished, pilling record shall be made accordingly.

No comments:

Post a Comment

Sebarkan ke Facebook

Google Followers

Seputar Teknologi Konstruksi

TOP RANK

  • Inhibitor - *Inhibitor* merupakan zat yang menghambat atau menurunkan laju reaksi kimia. Sifat inhibitor berlawanan dengan katalis, yang mempercepat laju reaksi. *Inh...
    1 year ago