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A platform for research: civil engineering, architecture and urbanism
Two Dimensional Model Study on Infiltration Control at a Lateral Pipe Joint Using Acrylamide Grout
One of the challenges faced in maintaining the aging sewer systems is the infiltration, which is caused by the deterioration of the sewer systems. In this study, A table top lateral joint model was used to investigate grout movement through soil, when sealing sewer pipe leaks at lateral joints by grouting. Acrylamide chemical grout was injected through a leaking lateral joint into a coarse sand (d10=0.5 mm), using 3 psi (21 kPa). The volume of infiltration was measured before and after grouting to determine the effectiveness of grouting. The volume infiltration was measured at 1 min, 1 hr and 24 hrs. after grouting using an external water pressure up to 3 psi (21kPa). At the end of the test, the shape of the grout bulb around the joint was mapped. A mathematical model was developed to determine the shape of the grouted region around the lateral joint, and verified with the experimental data. The amount of grout used to control the leak around the joint was compared to the recommendation of ASTM F 2304.
Two Dimensional Model Study on Infiltration Control at a Lateral Pipe Joint Using Acrylamide Grout
One of the challenges faced in maintaining the aging sewer systems is the infiltration, which is caused by the deterioration of the sewer systems. In this study, A table top lateral joint model was used to investigate grout movement through soil, when sealing sewer pipe leaks at lateral joints by grouting. Acrylamide chemical grout was injected through a leaking lateral joint into a coarse sand (d10=0.5 mm), using 3 psi (21 kPa). The volume of infiltration was measured before and after grouting to determine the effectiveness of grouting. The volume infiltration was measured at 1 min, 1 hr and 24 hrs. after grouting using an external water pressure up to 3 psi (21kPa). At the end of the test, the shape of the grout bulb around the joint was mapped. A mathematical model was developed to determine the shape of the grouted region around the lateral joint, and verified with the experimental data. The amount of grout used to control the leak around the joint was compared to the recommendation of ASTM F 2304.
Two Dimensional Model Study on Infiltration Control at a Lateral Pipe Joint Using Acrylamide Grout
Ozgurel, H. Gurkan (author) / González, H. A. (author) / Vipulanandan, C. (author)
Pipeline Division Specialty Conference 2005 ; 2005 ; Houston, Texas, United States
Pipelines 2005 ; 631-642
2005-08-19
Conference paper
Electronic Resource
English
Research , Maintenance , Grouting , Pipe materials , Inspection , Drilling , Installation , Infiltration , Two-dimensional models , Joints , Rainfall , Design , Groundwater , Pipes , Rehabilitation , Optimization , Pipelines , Tunneling
Two Dimensional Model Study on Infiltration Control at a Lateral Pipe Joint Using Acrylamide Grout
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