Pile Design and Construction Practice, Fifth edition

86 Piling equipment and methods from rebound forces and shock loads and will largely eliminate a tension wave in the pile (see S ...

Table 3.2Characteristics of some hydraulic hammers Maker Type Mass of ram Maximum Striking rate at (kg) energy per blow maximum ...

are not so effective in clays. Double-acting hammers have their main use in driving sheet piles and are not used for bearing pil ...

Piling equipment and methods 89 and the resulting explosion imparts an additional ‘kick’to the pile, which is already moving dow ...

90 Piling equipment and methods A difficulty arises in using the diesel hammer in soft clays or weak fills, since the pile yield ...

Table 3.4Characteristics of some diesel piling hammers Maker Type Mass of ram Maximum Maximum (kg) energy per blow striking rate ...

92 Piling equipment and methods Because of difficulties in achieving a consistent energy of blow, due to temperature and ground ...

Piling equipment and methods 93 very fast rate of penetration in favourable ground. It is claimed that a rate of driving averagi ...

Table 3.5Characteristics of some pile-driving and extracting vibrators Maker Type Frequency Mass Minimum range (kg) power supply ...

Piling equipment and methods 95 Table 3.5Continued Maker Type Frequency Mass Minimum range (kg) power supply (Hz) (KVA) 1423C 38 ...

96 Piling equipment and methods is to be driven. Single and double-acting hammers, hydraulic and diesel hammers are effective in ...

Piling equipment and methods 97 resistance curves for a 25 tonne drop hammer with drops of 1.5 or 2.0 m to be used as a standby ...

98 Piling equipment and methods Under the BSCode of Practice 5228 recommendations on noise exposure levels, no person (employee ...

Piling equipment and methods 99 consists of an outer 2 mm steel plate, a plastics layer 0.4 mm thick, and an inner 1.5 mm steel ...

There is little evidence to show that ground-borne vibrations cause structural damage to buildings(3.9). However, if there is co ...

Piling equipment and methods 101 Precast concrete pile 6 layers of 25 mm (1") hardwood strips as packing Helmet Lifting lugs M.S ...

102 Piling equipment and methods For jetting piles in clean granular soils a central jetting pipe is the most effective method, ...

Piling equipment and methods 103 should terminate about 150 mm above the pile tip. He gives the following typical requirements f ...

104 Piling equipment and methods 3.2 Equipment for installing driven and cast-in-place piles The rigs used to install driven and ...

Figure 3.24Discharging concrete into the driving tube of a withdrawable tube pile. Concreting skip travelling on pile frame lead ...