Results 201 to 210 of about 84,062 (265)
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, 2021
Determining optimum pressure in a grouting procedure affects a project's outcome as well as associated costs. Application of relatively low pressure may lead to insufficient grout spread around the borehole and prolongation of grouting time. On the other
J. Rafi, H. Stille
semanticscholar +1 more source
Determining optimum pressure in a grouting procedure affects a project's outcome as well as associated costs. Application of relatively low pressure may lead to insufficient grout spread around the borehole and prolongation of grouting time. On the other
J. Rafi, H. Stille
semanticscholar +1 more source
Numerical study of the performance of jet grout piles for braced excavations in soft clay
, 2020Jet grout piles (JGP) is a ground improvement method that is constructed beneath the final excavation level to prevent basal heave instability, control wall deflections and reduce the strut loads for braced excavations in deep deposits of soft clay. This
Wengang Zhang +3 more
semanticscholar +1 more source
Jet Grouting Slabs and Jet Grouting Piles
2021Excessive lateral deformation of supporting wall system can result in excessive ground settlement and subsequent damage to adjacent infrastructures. Above the final excavation level, the lateral struts/props can be used to control and restrain the wall deflection and ground movement.
Wengang Zhang, Hanlong Liu
openaire +1 more source
2003
This chapter is intended to be an introduction to some of the major features of cement and chemical grouts and in particular to demonstrate that they are neither just fluids that will set to fill any void into which they have been injected nor concrete without the aggregate.
openaire +1 more source
This chapter is intended to be an introduction to some of the major features of cement and chemical grouts and in particular to demonstrate that they are neither just fluids that will set to fill any void into which they have been injected nor concrete without the aggregate.
openaire +1 more source
A diffusion model for backfill grout behind shield tunnel lining
International journal for numerical and analytical methods in geomechanics (Print), 2020This paper presents an analytical model to investigate backfill grout diffusion behind tunnel segmental lining, in which the backfill grout is taken as a Bingham fluid.
Xiao-xue Liu +3 more
semanticscholar +1 more source
Tunnelling and Underground Space Technology, 2019
Synchronous backfill grouting is an important procedure in the construction of shield tunneling. The effect of grouting directly influences the settlement of the stratum and the stress state of the segments structure.
Shimin Wang +3 more
semanticscholar +1 more source
Synchronous backfill grouting is an important procedure in the construction of shield tunneling. The effect of grouting directly influences the settlement of the stratum and the stress state of the segments structure.
Shimin Wang +3 more
semanticscholar +1 more source
Experimental study on expansion mechanism and characteristics of expansive grout
, 2020Aiming to address the problem of traditional grouting reinforcement of jointed rock mass only providing bonding force to the joint surface, the grouting reinforcement technology of expansive grout was proposed. This technology generates compression force
N. Yao +5 more
semanticscholar +1 more source
Pressure Grouting: An Improved Method of Offshore Structure Grouting
Offshore Technology Conference, 1974ABSTRACT A new method of grouting the legs of offshore oil platforms has been evaluated with respect to resultant grout quality, economics and reliability. The experience gained from more than 40 actual grouting operations in the Gulf of Mexico was considered.
A.F. Tragesser, C. Dalton, F.J. Kay
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Construction and Building Materials, 2019
The rigid polyurethane grout materials with different densities show elastoplastic or atypical brittle characteristic, which will significantly affect their performance.
Kai Liu +5 more
semanticscholar +1 more source
The rigid polyurethane grout materials with different densities show elastoplastic or atypical brittle characteristic, which will significantly affect their performance.
Kai Liu +5 more
semanticscholar +1 more source