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case. Designing a pile group is a difficult and sometimes very time-consuming task. One of the main reasons is that a pile group has a great number of input parameters and variables. There are geometric parameters such as the pile cap thickness, pile type and diameter, location, angle of rotation and batter (slope) of the piles and pile length.
To observe the design capacity, a test pile is constructed and estimated load is given upon the designed pile. There are three kinds of static pile load testing. 1. Compression pile load test. 2. Tension pile load test. 3. Lateral pile load test. A lobal Journal of Researches in Engineering V olume XVI Issue IV Ve rsion I 41 Year 201 E
PHC pile, with a diameter of 1000mm and a wall thickness of 130mm , is adopted for the wall pile frame structure of this project. The pipe pile prefabrication is carried out by dalian prefabrication factory. The parameters of the PHC prestressed concrete pipe pile are as follows: Table 1 parameters of PHC pile of wall pile frame structure .
sheet pile and ground vibrations during sheet pile vibratory driving. And second, to analyze a selected portion of the collected data with focus on the sheet pile - soil vibration transfer. Both aspects of the thesis work aim, more generally, to contribute to the understanding of ground vibration generation under vibratory sheet pile driving.
2.2 High-Strain Dynamic Pile Testing. 2.2.1 The contractor shall perform dynamic pile testing at the locations and frequency required in accordance with section 4.0 of this special provision. 2.2.2 Dynamic pile testing involves monitoring the response of a pile subjected to heavy impact applied by the pile hammer at the pile head.
The pile driving analyzer (PDA) was developed in the 1970's as a method to directly measure dynamic pile response during driving. As the name implies, it was developed to analyze pile driving and evaluate pile driveability, including the range of stresses imparted to the pile, hammer efficiency, etc.
to pile cap resistance to lateral loads. The focus of the literature review was directed towards experimental and analytical studies pertaining to the lateral resistance of pile caps, and the interaction of the pile cap with the pile group. There is a scarcity of published information available in the subject area of pile cap lateral resistance.
The nonlinear springs are defined using API p–y curves at regular depth . intervals, where p represents the lateral soil resistance per unit length of the pile and y is the lateral deflection of the pile (API, 2007). As it was discussed before response of a single pile is different from response of a pile in a pile group due to group effect. One of the most common methods of accounting for .
4. The next step is the design of pile-groups, which settlements are larger than that obtained for a single pile. However this research evalu-ates a single pile, which can be considered as a first step in design of pile foundation. Settle-ment of a single pile is a prerequisite for esti-mation of pile-group settlements (either from
pile bending stiffness, the modulus of subgrade reaction (i.e. the py curve) assessed based on the SW model is a function of the pile bending - stiffness. In addition, the ultimate value of soil-pile reaction on the py curve is governed by either the flow around failure of soil or the plastic hinge - formation in the pile. The SW model analysis for a pile group has been modified in this study .
Ch. 9- Piles and Pile-Driving Equipment Layla Ali Ghalib-(2013-2014) CH.9-6 9.9. Pile Hammers: The function of a pile hammer is to furnish the energy required to drive a pile. Pile-driving hammers are designated by type and size. The types commonly used include the following: 1.
an approved mix design. In secant pile wall construction, it is necessary for the secondary male pile bore to be cut into the concrete of the primary female pile concrete to produce a water-resistant pile interlock. The accuracy and efficiency of the cut and the pile verticality that can b