Results 161 to 170 of about 2,941 (216)

Rooted Soil Shear Apparatus: A low-cost, direct shear apparatus for measuring the influence of plant roots on soil shear strength. [PDF]

HardwareX
Sorrentino G, Otim GI, Zhelezova A, Rocchi I.   +3 more
europepmc   +1 more source

Mini suction probe for matric suction measurements

Canadian Geotechnical Journal, 2002
A modified triaxial apparatus with mini suction probes was fabricated to study the matric suction along the specimen height during unsaturated triaxial testing. Three mini suction probes were placed at 3/4, 1/2, and 1/4 height of the specimen, each at 120° apart in the lateral direction. This paper presents the development of the mini probe for matric
Meilani, Inge, Rahardjo, Harianto, Leong, Eng Choon, Fredlund, Delwyn G.   +3 more
openaire   +3 more sources

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Swell pressure, matric suction, and matric suction equivalent for undisturbed expansive clays

Canadian Geotechnical Journal, 2015
Methods of computation for soil heave based on an “equivalent” net normal stress path approach often have built-in assumptions regarding the relationship between in situ matric suction, overburden stress, and swell pressure. The term “matric suction equivalent” has been previously defined as the difference between in situ state of stress projected on ...
Sandra L Houston, William N Houston
exaly   +2 more sources

Matric Suction in Recycled Unbound Granular Materials

Geo-Congress 2014 Technical Papers, 2014
The matric suction within unbound granular materials (UGMs) can be small when compared with cohesive soil, however suction can influence the engineering behavior of UGMs. Unfortunately, there are few studies on the potential matric suction in UGMs. This paper presents matric suctions for seven recycled products and one virgin aggregate.
A. M. Azam, D. A. Cameron, A. G. Gabr, M. M. Rahman   +3 more
openaire   +2 more sources

Matric suction measurements of compacted subgrade soils

Road Materials and Pavement Design, 2015
The mechanical response of compacted subgrade soils is highly influenced by matric suction. This paper proposes a detailed procedure for matric suction determination, using the filter paper technique, in samples compacted in the laboratory using the standard Proctor procedure (ASTM D698-12).
Eshan Ganju, Dong Tang, Mónica Prezzi   +2 more
exaly   +2 more sources

Calibration of tensiometer for direct measurement of matric suction

Géotechnique, 2003
Matric suction is a primary variable in the analysis of the hydromechanical behaviour of unsaturated soils.
Tarantino, Alessandro, Mongiovì, Luigi
openaire   +5 more sources

Role of Matric Suction in Collapse of Compacted Clay Soil

Journal of Geotechnical and Geoenvironmental Engineering, 2000
This paper examines the influence of variations in matric suction on the collapse behavior of compacted Bangalore clay soil. The ASTM filter paper method measured the matric suctions of the compacted soil specimens. The matric suction of the compacted clay soil specimens ranged between 50 and 8,000 kPa at the as-compacted $S_r$ values of 90 and 35 ...
Rao, Sudhakar M, Revanasiddappa, K
openaire   +2 more sources

Influence of Matric Suction on Pressuremeter Modulus

GeoCongress 2012, 2012
Pre-bored monocell pressuremeter tests were conducted in a calibration chamber containing compacted low plasticity clayey silt. A miniature pressuremeter probe having a diameter of 15.2 mm and expandable length to diameter ratio of 8.5 was used; this provided a soil bed diameter (610 mm) to probe diameter ratio of 40. Pressuremeter tests were conducted
G.A. Miller, N.K. Tan, K.K. Muraleetharan   +2 more
openaire   +1 more source

Change of matric suction under undrained condition in relatively low matric suction ranges

2011
Several different types of soils in nature are more commonly found in a state of unsaturated condition, particularly in arid and semi-arid regions. Also, expansive soils, collapsible soils, residual soils and compacted soils are conventionally categorized as problematic soils.
Nishimura T, Koseki J
openaire   +1 more source

Effect of pore fluid osmotic suction on matric and total suctions of compacted clay

Géotechnique, 2015
The experimental results of the present study on compacted expansive clay illustrate that matric suction increases with the increase in pore fluid osmotic suction due to changes in soil structure. Scanning electron micrographs show that particle stacking (aggregations) increases with increase in pore fluid osmotic suction and cation valence due to ...
T. Thyagaraj, U. Salini
openaire   +1 more source