Section | Dimensions | Sectional Area | Mass | Moment of inertia | Modulus of section | |||
Width | Height | Thickness | Pile | Wall | ||||
b | h/2 | t | ||||||
mm | Mm | mm | cm2/pile | kg/m | kg/m2 | cm4/m | cm3/m | |
FSP-VIL | 500 | 225 | 27.6 | 153 | 120 | 240 | 86000 | 3820 |
In many cases sheet pile does not work well because of FSP-VIL or FSP VIL. Chapman Excavating pile drivers came up with a new way. CANNED INSULATING FOAM. WORKS GREAT!The most common methods of installing NS-SP sheet pile walls include driving, jetting, and trenching. The lateral pressure distribution is first determined by the NS-SP methods previously outlined. The type of SP-VIL sheet piling often type 6 governs the method of installation. It may work faster to apply from opposite direction against your hand covered with a plastic/rubber glove or something similar. The maximum bending moment and the anchor pull are then determined by application of the graphical methods. Contract specifications should prohibit the installation of FSP-VIL sheet piling until the contractor’s methods and equipment are approved. We have recommended tape for sealing the ends prior to pouring A-30.
Types of driving type 6 and VIL and SP-VIL hammers allowed for sheet piling include steam, air, or diesel drop, single action, double-action, differential-action, or vibratory. The resultant earth pressure on each panel is replaced by an equivalent concentrated force SKSP acting through the center of the section and drawn to a convenient scale. ROUGH CUT AND UNEVEN ENDS.
Variety of brands on the market. Easy to obtain (even Wal Mart) and CHEAP! Simply place small plug at the end of the KSP interlock. The required driving energy range should be specified in foot-pounds based on the TSP manufacturer’s recommendations and the type of subsurface that will be encountered. Graphical Methods - Graphical methods can sometimes be advantageously used to design sheet pile retaining walls especially for cases of complex or irregular loading. PERFECT PLUG! Applying A-30 is SP-VIL much easier and cleaner with this method.
The method for the design of anchored and cantilevered walls differs slightly and will be discussed separately below. Vibratory TSP hammers are widely used because they usually can drive the piles faster, do not damage the top of the NKSP pile, and can easily be extracted when necessary. Allow a few minutes to dry (5~10 -try a sample). Apply A-30. Apply foam to the end of the center interlocks also. A vibratory hammer can drive piling up to eight times faster than impact FSP-VIL hammers depending on the type of subgrade. Adeka Ultra Seal A 30 is still the best and most cost efficient way to seal sheet pile interlocks. When a hard driving condition is encountered, a vibratory hammer can cause the interlocks to melt.
NS-SP and SKSP and TSP and KSP will provide a cost effective watertight interlock Simply pour A-30 into the level interlock to a depth of approximately 1/16" ~1/8". On a horizontal base line, commencing at the right, the successive force vectors for each panel from the point of zero pressure to the bottom of the SKSP wall are laid off end to end i.e., the passive equivalent forces. Allow A-30 to cure then drive the SP VIL piles! Call your local Adeka Representative or (800) 999-3959 for more information.If the penetration rate is 1 foot or less per minute, the use of a vibratory hammer should be discontinued, therefore, arbitrary depth must be chosen. A pole 0 is then selected at a distance from the base line equal to selected scale of the moments scale of the equivalent forces x scale of lengths and an impact hammer should be employed. The selection of the type or size of the hammer is based on the soil in which the pile is driven.
The theoretical NKSP depth of the JFE or JFESP sheet piling is unknown;The moment scale is selected so as to give a convenient size of drawing. The designer should be aware of the soil stiffness and possibility of obstructions which could cause failure or weakening of the sheet pile during driving. The successive equivalent active force vectors above the point of zero pressure are laid off end to end on horizontal line originating at the pole 0 and extending to the right. Guides and Templates. To ensure that piles are placed and driven to the correct alignment, a guide structure or templates should be used. From pole 0 lines are drawn to the ends of all the passive load vectors and from the right hand edge of the passive load line to the ends of all the active load vectors. At least two templates should be used in driving each pile or pair of piles.
This procedure is SP VIL relatively simple and is JFESP illustrated. Templates should also be used to obtain the proper plumbness of the VIL sheet pile wall. Metal pilings properly placed and driven are interlocked throughout their length. Cantilevered Wall - Once the wall has been divided and the equivalent forces determined, a vector diagram or string polygon is constructed as follows. d. Accessories. A protective cap should be employed with impact hammers to prevent FSP VIL damage to the tops of the piling. The moment diagram is then drawn as follows. Starting at the top of the piling at point 0', the line 0'-1' in the moment diagram is drawn JFE parallel to line A-l of the vector diagram, intersecting the first or top load line of action at point 1'. The circumstances should be carefully investigated to determine the cause of damage, and remedial type 6 action should be taken before redriving from point 1' line 1'-2' is then drawn parallel to line A-2 of the vector diagram intersecting the second load line of action at 2'.
The process is continued through all sections including both active and passive lines. Protective shoes to protect the tip are also available so that NKSP driving through harder soil strata is possible. If an obstruction is encountered during driving, it should be removed or penetrated with a JFESP chisel beam. Apply approximately 1/4" X 1/4" bead of P-201 into female side of interlock. 1 cartridge will cover approximately 20~26 feet at 1/4" X 1/4" bead size. During driving, the JFE piling next to the one being driven may tend to follow KSP below the final design elevation; in this case it may be FSP VIL necessary to pin in place piles together before the next pile is driven. Cut tip of P-201 cartridge nozzle to approximately 1/4"X 1/4" opening. VIL Interlock must be clean, dry and free from any oils. Extraction, or pulling of specific piles for inspections, may be required if damage to the pile or interlocks is suspected or if excessive drift occurs.