How To Form A Concrete Curb And Gutter
I was doing a construction inspection at edmonds station for the civil work of the skytrain faregate project.
How to form a concrete curb and gutter. The design of the formwork depends on the. The formwork is built with the use of ply boards or steel moulds. Therefore contraction joints shall be provided at a spacing not larger than 7 62m. Concrete tools used in this video magnesium hand float https amzn to 2w0jsyn edger https amzn to 2sb5aal curb edger https amzn to 2tf9zm1 hand cutter g.
In such a case after the gra d e line has been set for the back curb form a form is set in position on the ground and stakes are dri ven when the. Once the subgrade is prepared the stringline is up and sensors are connected slipforming begins. Excavate the area for the curb and gutter with a shovel or mechanical excavator to 1 foot deep to allow a 5 or. The first and the foremost step of every construction activity is marking.
The gutters serve as edge f o r ms for the pavement. When metal forms are used then division plate is utilized to form contraction joints. Ready mix trucks deliver concrete to the slipform hopper where it is gravity fed and vibrated into the curb and gutter form. Commonly concrete gutter might suffer from shrinkage and hence develop cracks.
A common construction sequence is to place curb and gutter using metal form s then pave the roadway be t w een the opposite gutters. If the gutter and the curb are integral the contraction joints shall be extended into the curb. Construction of curb and gutter 1. The path at which.
Build the forms with 2 by 12 boards for the back of the curb and 2 by 6 boards for the front of the curb and.