This part of bs 77 specifies procedures for the determination of the effective shear strength parameters for specimens of saturated soil which have been. Cut ss 100mm single stage test on a 102 mm diameter part 8 continued specimen at one confining pressure, test duration four days. All bsi british standards available online in electronic and print formats. Part 1 covers general information, parts 2 to 8 relate to. Site investigations british standard bs 5930 1999 code of practice for site investigations. This part of bs 77 specifies procedures for the determination of the. Part 8 under manual control, three different options for running the stage are available.
Shear strength tests effective stress includes all amendments and changes through reaffirmation notice, may 1, 2015. It is possible to obtain the dry densitywater content relationship for a granular soil with the use of a heavy electric vibrating hammer, such as the kango. The cbr test is covered by part 9 of the british standard bs77 which covers soils for civil engineering purposes. Determination of the undrained shear strength in triaxial compression 38mm 100mm, single stage multistage. Bs 77 was first published in 1948 and first appeared in metric form in 1975. An example of a downloadable british standard is bs en iso 9001. Find the most uptodate version of bs 77 4 at engineering360. Plate load testing or plate bearing testing, is carried out in accordance with bs 77 part 9. This british standard, a part of the bs 77 series, describes methods of test for the determination of the consolidation characteristics of soils when subjected to changes in the applied effective stress, the permeability characteristics of sands, the susceptibility of clays to internal erosion by water, and the susceptibility of soils to heave in freezing conditions. The measurement of the effective shear strength parameters for cylindrical specimens of saturated soilwhich have been subjected to isotropic consolidation and then sheared in compression, under a constantconfining pressure. Bs 75331 pavements constructed with clay, natural stone or concrete pavers part 1.
In this test, a plate of known dimensions is jacked against a reaction load, usually the underside of a suitably weighted tracked excavator which provides the kentlidge, and. Bench mounted apparatus to determine the liquid limit of soils to bs77. Part 9 1990 insitu density and moisture content nuclear method. The laboratory provides a modern temperature controlled effective stress laboratory offering the standard range of. Norhayati, petroliam nasional berhad, 12 march 2003, uncontrolled copy, c bsi tests. Compactionrelated tests bs 779, methods for test for soils for civil engineering purposes part 9. Shear strength tests total stress this part of bs 77 has been prepared under the direction of the road engineering standards policy committee. Bs 778 stress mechanics continuum mechanics scribd. This british standard, a part of the bs 77 series, describes methods of test for determining shear strength parameters of soils in terms of total stresses, or in the case of drained direct shear tests in terms of effective stresses which are equal to total stresses. Bs 77 this british standard consists of nine parts. All bsi british standards are available online in pdf or hardcopy. If the link fails, the document cannot be downloaded, please click on the broken link to let us know. Soils for civil engineering purposes licensed copy. This part of bs 77 specifies methods of test for the classification of soil and for the determination of basic physical properties.
Bs 77 part 6 consolidation and permeability tests with pore pressure measurement. The distinction between laboratory and insitu tests is that. To see a list of other bs standards on the document library click here. Shear strength tests effective stress top of file and links. Fire detection and fire alarm systems for buildings code of practice for the design, installation, commissioning and maintenance of voice alarm systems 2. A suitable hammer, according to bs 77, would have a frequency between 25 and 45 hz, and a power consumption of 600 to 750 w. This british standard is very comprehensive and part 9 covers structual load. Norhayati, petroliam nasional berhad, 12 march 2003, uncontrolled copy, c bsi sample preparation.
Note the titles of the publications referred to in this standard are listed on the inside back cover. View bs 778shear strength tets effective stress from biology 77 at kenyatta university. Methods of test for soils for civil engineering purposes classification tests. Norhayati, petroliam nasional berhad, 12 march 2003. This part of bs 7533 is published by bsi and came into effect on 31 march 2009. Bs 77 part 5 compressibilty, permeability and durability tests. Find the most uptodate version of bs 77 8 at engineering360. Bs 7761990 methods of test for soils for civil engineering purposes part 6 consolidation and permeability tests in hydraulic cells and with pore pressure measurement. This method is applicable to a wide range of soils. Bs 77 91990 methods of test for soils for civil engineering purposes part 9 insitu tests. Reference is made to bs 77 1 for general requirements that are relevant to all parts of this standard, and for methods of preliminary preparation of soil for testing.
Classification tests british standard methods of test for classifying soils and for determining their basic physical properties. Free download bs 77 pdf standard from public digital library. This part of bs 77 has been prepared under the direction of the road engineering standards policy committee. Geogroup company soil investigation geogroup laboratory soil mechanics testing. Methods of test for soils for civil engineering purposes part 8. Deaeratedtap water is normally satisfactory, but for some purposesthe use of deaerated natural ground water may be desirable for saturation of soil specimens. The laboratory provides a modern temperature controlled effective stress laboratory offering the standard range of drained or undrained triaxial effective stress and permeability tests together with many of the advanced tests now commonly being required. Soil compaction test methods as per bs 77 method statement hq. Bs 77 part 8 shear strength tests effective stress.
Bs 77 part 7 shear strength tests total stress bs 77 part 8 shear strength tests effective. Triaxial test automatic control and processing softwares. The chalk crushing value can be used, together with the saturation moisture content of the intact chalk lumps see 3. Bs7346 8 builds on all of the regulations, procedures and processes that exist and combines them into a unified code or practice that is designed to make the entire procedure of designing, with the publication of the new bs7346 part 8 standard, the potential for confusion when navigating the various compliance.
This method covers the laboratory determination of the. The laboratory provides a modern temperature controlled effective stress laboratory offering the standard range of drained or undrained triaxial effective stress and permeability tests together with many of. Sample specification download sample specifications and see whats possible with nbs chorus case studies find. The apparatus is fitted with a 150mm diameter dial indicator for direct reading of penetration. Triaxial test automatic control and processing softwares autotriax 2. An example of a bs standard that cannot be purchased as a downloadable british standard is bs 5252f. Compactionrelated tests bs 77 9, methods for test for soils for civil engineering purposes part 9. It was prepared by technical committee b507, paving units, kerbs.
Pdf comparison of standards for conducting ciu tests and. Bs77 methods of test for soils for civil engineering. To view the content of other pages click on the transfer page icon. Scope of services tests marked are included in the samm accreditation schedule. This set of equipment has been put together to list what is necessary to carry out the test using the method described in bs77 part 9 additional items may be required, please refer to the standard. Methods of test for soils for civil engineering purposes. British standard methods of test for soils for civil engineering purposes bs 77 part 1 to 9.
Insitu tests bs 61003, building and civil engineering vocabulary part 3. Shear strength tests total stress standard by bsi group, 06291990. I general this part of bs 77 specifies procedures for the determination of the effective shear strength parameters for specimens of saturated soil which have been subjected to isotropic consolidation and then sheared in compression, under e constant confining pressure, by increasing the axial strain. Bs 77 part 8 shear strength tests effective stress bs 77 part 9 insitu tests. Some of the properties determined by these tests are. Guide for the structural design of heavy duty pavements constructed of clay pavers or precast concrete paving blocks. This part of bs 77 describes insitu methods of test on soils for civil engi neering purposes, i. Bsi bs 77 8 methods of test for soils for civil engineering purposes part 8. Download the ios download the android app other related materials. University of bath library, university of bath, 23 august 2003, uncontrolled copy, c. Insitu density, sand replacement small pouring cylinder to bs77 part 92. British standard methods of test for soils for civil engineering purposes bs77 part 1 to 9 craigs soil mechanics 7th edition free download site investigations british standard bs 5930 1999.