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Design of axially and laterally loaded piles using in situ tests: A case history
154A time, an immersion test into the specification. As the test is designed to detect the presence of certain disruptive constituents, in particular sulphates and clay minerals, by the measurement of strength loss, the probable disruptive mechanism is outlined. To evaluate the effect of immersion on cementbound minestone, a series of immersion tests were performed. The test cubes were made from minestone from different parts of the UK coalfields.
864217 Peculartt~ of tropical iaterttic amd sai~oitflc mils used as ¢omtrocfl~ materials: selection,eooerol aml aceepumee criteria - roads Newill, D Proc 1st imermUiom~ Comferemce on Geomecimsics in Tropical Latedtic aml ~ Soils, ~ a ~ i a , 11-14 Februuy 1985 I/4, P221-232. Publ Sao Paulo: Brasilian Society for Soil Mechanics, 1985 In developing countries, lateritic and saprolitic soils are often used as road-making materials. The methods used to identify, locate and determine the extent of occurrence of suitable materials, to determine the materials properties, to assess materials performance, and guidelines for specifications to be included in road design manuals are briefly discussed. A short review of relevant literature is included. 864218
Comtmetlon ¢ o m ~ of low cost Imvemmts on reuldual latecltlcgravels over Gidigasu, M D Proc Is¢ I m t ~ i ~ d Cow4~et,lw.¢ou G ~ c l w . M c s in
Tropical Lat~Itie aml ~ ,~oilt, JlralJa, II-14 February 1985 V4, I'261-278. Publ Sao Paulo: Brasilian Societ.v for Soil Mechanics, 1985 Construction control problems arising in Ghana, and how they can be overcome by laboratory and field compaction studies, are discussed. The variability of the materials and associated problems in sampling and evaluation are highlighted. It is necessary to use statistical methods to define mean design and construction control specifications. Construction problems considered include density and moisture content control and the appearance of a shear zone 5-7cm below the finished level ahead of smooth steel rollers during compaction. It is concluded that for the production of high quality pavements using these materials, soil stabilisation is necessary.
864219 Aceeptaoce UlX~Ci~mti~ for llravel Imvlq materials for a mo~t sub-lmmid d/ramie mac Gidigaso, M D; Asante, S P K; Dougan, E Proc Ist Imttramla~ C ~ s c e on Otoamckanies in Tropiml ~ ¢md ~ Soils, llrmilia, 11-14 Febretary 198J V4, P279-293. Publ Sao Paulo: Brasilian Society for Soil Mechanics, 1985 It is seen from laboratory and field performance studies in the Brong-Ahafo region of Ghana, that some tropical gravel materials which would fail existing standard acceptance tests have proved adequate in use. Modified values of basic index tests for the selection of these materials, based on the California Bearing Ratio, and modified acceptance standards are suggested. Important correlations were found between bearing strength and some index properties and the product of fines content and plasticity properties. It is shown that the product of fines content and plasticity properties can be used as a basis to differentiate between good and bad paving materials for use in the moist sub-humid environment.
Foundations See also." 864153, 864154, 864155
86422O Method of calalati~ ~ French)
tie mdJ and ~
On
Bustamente, M; Doix, B Bull ~ Lab PoRts Cknmsees NI40, Nov-Dec 1985, P7592 A new method for calculating the effectiveness of grouted tie rods and micropiles is proposed, based on analysis of results from 120 tests on 34 sites. Graphs displaying the relationship between limit skin friction and pile loading are presented for four soil types, gravel and sand, loam and clay, roads and chalk, and altered or fragmented rock. Soils may be simply characterised by penetrometer tests. Simple rules are presented for the calculation of the diameter of the grouted region.
864221 Rock ~
for ~ of Scieoce North, Oltm.io Franklin, J A; Pearson, D Can Geoteck J V22, N4, Nov 1985, P443-455
This museum was constructed astride a major regional fault. Site investigation, including inclined drilling to locate and characterise the shear zone of the fault, is described along with the historical and potential movement of the fault. A cavern and a tunnel were excavated in a region of sheared rock, using carefully controlled blasting. Resin,bonded dowels were used as support as no visible reinforcement was permitted. Pier foundations used anchors to pretension the piers to the rock and stabilise rock faces. The design, construction and inspection of the footings, tunnel and open-cut rock faces are described.
864222 Deslgn of axially and latin.ally ioMlad piles mtag in s#u tc~ts: A case htsto~ gobenson, P K; Campanella, g G; Brown, P T; Grof, I; Hughes, J M O Can Geoteeh J V22, N4, Not, 1985. P518-527 A 915mm diameter steel pipe pile was driven and tested on the banks of the Fraser River, British Columbia. It was driven to a depth of 94m and loaded axially to failure at depths of 67, 78 and 94m. After final axial testing it was tested laterally to a deflection of 150ram. Results of the loading tests are presented along with results from CPT and pressuremeter tests made adjacent to the pile. Several analyses use CPT and pressuremeter tests results to predict the axial and lateral performance of the pile. A comparison is presented between predicted and measured behaviour. 864223 Mul~il~ ~ mati~l for ~ ~ ~ Teelmieal aote Horvath. R G Can Geotech 2 1/22, N4, Nov 1985. P592-599
l~n.
A multiple loading test is described which permits three entirely different support conditions to be examined for a single drilled pile. End-bearing or shaft resistance singly or combined may be determined. A special base load cell has been developed for this test. Load-displacement data from a single pile in weak shale is reported. Results compare well with those from conventional tests and this technique promises a means for economically obtaining large amounts of design information from a single pile.
© 1986 Pergamon Journals Ltd. Reproduction not permitted
864217 Peculartt~ of tropical iaterttic amd sai~oitflc mils used as ¢omtrocfl~ materials: selection,eooerol aml aceepumee criteria - roads Newill, D Proc 1st imermUiom~ Comferemce on Geomecimsics in Tropical Latedtic aml ~ Soils, ~ a ~ i a , 11-14 Februuy 1985 I/4, P221-232. Publ Sao Paulo: Brasilian Society for Soil Mechanics, 1985 In developing countries, lateritic and saprolitic soils are often used as road-making materials. The methods used to identify, locate and determine the extent of occurrence of suitable materials, to determine the materials properties, to assess materials performance, and guidelines for specifications to be included in road design manuals are briefly discussed. A short review of relevant literature is included. 864218
Comtmetlon ¢ o m ~ of low cost Imvemmts on reuldual latecltlcgravels over Gidigasu, M D Proc Is¢ I m t ~ i ~ d Cow4~et,lw.¢ou G ~ c l w . M c s in
Tropical Lat~Itie aml ~ ,~oilt, JlralJa, II-14 February 1985 V4, I'261-278. Publ Sao Paulo: Brasilian Societ.v for Soil Mechanics, 1985 Construction control problems arising in Ghana, and how they can be overcome by laboratory and field compaction studies, are discussed. The variability of the materials and associated problems in sampling and evaluation are highlighted. It is necessary to use statistical methods to define mean design and construction control specifications. Construction problems considered include density and moisture content control and the appearance of a shear zone 5-7cm below the finished level ahead of smooth steel rollers during compaction. It is concluded that for the production of high quality pavements using these materials, soil stabilisation is necessary.
864219 Aceeptaoce UlX~Ci~mti~ for llravel Imvlq materials for a mo~t sub-lmmid d/ramie mac Gidigaso, M D; Asante, S P K; Dougan, E Proc Ist Imttramla~ C ~ s c e on Otoamckanies in Tropiml ~ ¢md ~ Soils, llrmilia, 11-14 Febretary 198J V4, P279-293. Publ Sao Paulo: Brasilian Society for Soil Mechanics, 1985 It is seen from laboratory and field performance studies in the Brong-Ahafo region of Ghana, that some tropical gravel materials which would fail existing standard acceptance tests have proved adequate in use. Modified values of basic index tests for the selection of these materials, based on the California Bearing Ratio, and modified acceptance standards are suggested. Important correlations were found between bearing strength and some index properties and the product of fines content and plasticity properties. It is shown that the product of fines content and plasticity properties can be used as a basis to differentiate between good and bad paving materials for use in the moist sub-humid environment.
Foundations See also." 864153, 864154, 864155
86422O Method of calalati~ ~ French)
tie mdJ and ~
On
Bustamente, M; Doix, B Bull ~ Lab PoRts Cknmsees NI40, Nov-Dec 1985, P7592 A new method for calculating the effectiveness of grouted tie rods and micropiles is proposed, based on analysis of results from 120 tests on 34 sites. Graphs displaying the relationship between limit skin friction and pile loading are presented for four soil types, gravel and sand, loam and clay, roads and chalk, and altered or fragmented rock. Soils may be simply characterised by penetrometer tests. Simple rules are presented for the calculation of the diameter of the grouted region.
864221 Rock ~
for ~ of Scieoce North, Oltm.io Franklin, J A; Pearson, D Can Geoteck J V22, N4, Nov 1985, P443-455
This museum was constructed astride a major regional fault. Site investigation, including inclined drilling to locate and characterise the shear zone of the fault, is described along with the historical and potential movement of the fault. A cavern and a tunnel were excavated in a region of sheared rock, using carefully controlled blasting. Resin,bonded dowels were used as support as no visible reinforcement was permitted. Pier foundations used anchors to pretension the piers to the rock and stabilise rock faces. The design, construction and inspection of the footings, tunnel and open-cut rock faces are described.
864222 Deslgn of axially and latin.ally ioMlad piles mtag in s#u tc~ts: A case htsto~ gobenson, P K; Campanella, g G; Brown, P T; Grof, I; Hughes, J M O Can Geoteeh J V22, N4, Not, 1985. P518-527 A 915mm diameter steel pipe pile was driven and tested on the banks of the Fraser River, British Columbia. It was driven to a depth of 94m and loaded axially to failure at depths of 67, 78 and 94m. After final axial testing it was tested laterally to a deflection of 150ram. Results of the loading tests are presented along with results from CPT and pressuremeter tests made adjacent to the pile. Several analyses use CPT and pressuremeter tests results to predict the axial and lateral performance of the pile. A comparison is presented between predicted and measured behaviour. 864223 Mul~il~ ~ mati~l for ~ ~ ~ Teelmieal aote Horvath. R G Can Geotech 2 1/22, N4, Nov 1985. P592-599
l~n.
A multiple loading test is described which permits three entirely different support conditions to be examined for a single drilled pile. End-bearing or shaft resistance singly or combined may be determined. A special base load cell has been developed for this test. Load-displacement data from a single pile in weak shale is reported. Results compare well with those from conventional tests and this technique promises a means for economically obtaining large amounts of design information from a single pile.
© 1986 Pergamon Journals Ltd. Reproduction not permitted