ใช้ยึดเสากับคาน (กรณีเจาะเสียบเส้นเหล็ก)
“MIT Scan-two retains the guarantee of considerably strengthening the quality of concrete pavement development, in addition to giving considerable Charge cost savings by avoiding high priced faults in dowel placement,” suggests Sam Tyson, FHWA’s complex consultant for your job to evaluate the gadget.
Work out the total quantity of rebars essential along the peak from the arc beam. This can be also calculated employing the peak dimension and spacing necessities.
a) have adequate reliable axial load applied in concert Together with the shear demand from customers that specific shear friction reinforcement is avoidable and/or;
These dowels assistance for transferring masses which permits growth and contraction of adjacent slabs independently.
ใช้ยึดทับหลังกับเสาหรือผนังหรือเสาเอ็น
Together with their load-bearing capabilities, dowel bars also have other crucial capabilities in concrete pavement building. Dowel bars serve as lubrication points, making it possible for the concrete slabs to slip in opposition to each other easily and cutting down the friction between the slabs.
For practically one hundred yrs, dowel bars are Utilized in concrete pavements as a means to bridge vehicle hundreds throughout adjacent slabs. It is often acknowledged that dowels can enhance pavement functionality considerably, significantly Dowel Bar in circumstances exactly where weighty visitors or lousy soils are present.
Dowel Bars are small, sleek, and round metal bar which is used for featuring a mechanical connection involving slabs with no proscribing horizontal joint movement. These bars are primarily used in the jointed plain concrete pavement for carrying the extra load and stress which might be induced as a result of shifting automobile. They are really placed with Dowel Bar the transverse joints of concrete pavement and get involved in partial wheel load transfer from one particular slab to the adjacent a single.
Perhatikan kualitas permukaan panel beton sebelum pemasangan untuk menghindari retakan pada panel beton
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Use the correct sizing and grade - The size and grade on the starter bars need to be selected determined by the load-bearing requirements with the composition and also the Homes of the present concrete.
Diameter: Diameter dowel dapat bervariasi tergantung pada kekuatan yang dibutuhkan dan besarnya beban yang akan ditanggung.
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