Effective Bearing Length Of Crane Mats Pdf

Mar 28 2020 ebook david duerr effective bearing length of crane mats by j.

Effective bearing length of crane mats pdf.

Mat size mat size deducted from point load in 3 in kns soil type value 2 73500 x 9 81 721 035 kns. The effective bearing length is the section of the mat that is in contact with the ground and contributing support to the equipment loaded onto the mat. 12m boom length. Crosslam clt crane mat properties 13.

Effective bearing length of crane mats. Cleaning phytosanitary elements 19. The first product of this work was the paper effective bearing length of crane mats which was presented at the 2010 crane rigging conference in houston. Mat area is calculated by dividing the crane load plus the lc crane mat weight of the mat by the allowable ground bearing pressure.

32 4m crane can lift 4 5 tons crane utilisation load 4t x 100 4 5 88 8 crane utilization too high for hazardous area chemical plant you would need to reduce boom length or reduce. Engineering independent testing of rig mat core 11 12. Crane mat weight distribution 14. C bearing width of track 5 90 ft p load applied to one mat 207 087 lbs p crane load applied to one mat 207 087 lbs 90 36 of allowable capacity t tl track toe load 8 784 lbs ft a reqd.

P divide this area by the width of the mat to develop the required effective bearing length. Free effective bearing length of crane mats document media publishing ebook epub kindle pdf view id e527ff490 mar 27 2020 by seiichi morimura configuration radius 12m boom length 324m crane can lift 45 tons crane utilisation load 4t x 100 45. Engineering analysis of crosslam clt crane mats 16 17. Quality assurance 18.

P the mat length is then used to calculate bending which typically controls the mats design and shear stresses. Crane mat shipping sizes available 15. Assumed effective length 15 64 ft t l track bearing length 31 49 ft soil bearing method mat strength method ground bearing pressure. This paper is used as a reference in keith anderson s book rigging engineering basics in the chapter on load spreading for mobile cranes.

Divide this area by the width of the mat and we have the required effective bearing length.