For standard proctor test, this step is carried out using a 2. Temperature measurement standards astms temperature measurement standards provide the material and property specifications, as well as guides for the testing, calibration, and use of laboratory, industrial, and clinical instruments used in the determination of thermal variables, particularly temperature. The use of the mackintosh probe for site investigation in soft soils. The proposed vibrating hammer method of compaction specifically addresses the influence of oversize particles. A study of effective soil compaction control of granular soils. An equation has been derived to relate the mackintosh mvalue with the spt nvalue for cohesive soil. Jkr mackintosh probe the mackintosh probe is alightweight and portablepenetrometer. Abstract the use of the mackintosh probe for site investigation in soft soils a. The test procedure is described in the british standard standard penetration test spt 5272016 9 advantages disadvantages. The doe method was first published in 1975 and then revised in 1988. However, the developed fifes method was faster and more convenient to perform than the standard method.
The trl transport research laboratory dcp dynamic cone penetrometer is designed to give a continuous reading of insitu resistance down to a depth of 850mm or deeper. In numerous test on soil with uniform soil resistivity it has been found that grounds resistance is at around 62% some documents says at 61. The mackintosh prospecting tool consists of rods which can be threaded together with barrel couplings, fitted with a driving point at their base, and a light handoperated driving hammer at their top. Mackintosh probe prospecting kit soil and geotechnical. See more of bs testing laboratory sdn bhd on facebook. Based on the results from this research, a draft astm standard for the vibrating hammer method of compaction has been written, is well into the balloting process, and should become an astm standard method of test in late 2007 or early. Soil investigation ikpkt jabatan kerajaan tempatan. Guidebook on nondestructive testing of concrete structures. Such earth materials include soil, dimension stones, slate, soilcement mixtures, ground water. Where road pavement design is required a quick and effective method of gathering large amounts of information across a site is the use of the trl dcp probe picture left.
Bearing capacity of soil is the value of the average contact pressure between the foundation and the soil which will produce shear failure in the soil. The cone tip resistance q c and sleeve friction f s were recorded with depth and are presented in fig. Definition and examples of standard british english. Mackintosh probe test mpt one of the most common types of probing is mackintosh probe. The tool provides a very economical method of determining the thickness of soft. Mackintosh probe test specification technical standard. Such data maybe adequate for the designs of foundations for lightly loaded structures as this provides a very economic method of determining the. Geotechnical engineering standards astm international. Fugro are pioneers in performing cone penetration tests. This british standard is the uk implementation of en iso 22476 1. Dynamic probing is a continuous soil investigation technique, which is one of the simplest soil. Five static cone penetration test cpt soundings were performed in the top soil layer down to refusal. Jkr probe created as equivalent to mackintosh probe as mackintosh probe is patented in the early days. Trl dynamic cone penetrometer, soil testing equipment.
The probe consists of a cased screwed onto the lower end of the rod. The mackintosh probe development was based on the principles stated by hvorslev 1948 for drive rods for sounding and sampling and recommended methods for static and dynamic sounding by european group subcommittee 1968. Sampling and examination of bituminous mixtures for roads and other paved areas bs 598112. What is the difference between dynamic probing and.
This step will be repeated few times with a different moisture content added to obtain a series of data. This apparatus, originally developed by the trluk transport research laboratory, has been designed under licence from trl for the rapid insitu measurement of the structural properties of existing road pavements constructed with unbound materials. The british method of concrete mix design, popularly referred to as the doe method, is used in the united kingdom and other parts of the world and has a long established record. Mackintosh probe testing, which provides an indication of the density of a granular soil by. Ultimate bearing capacity is the theoretical maximum pressure which can be supported without failure. The friction ratio, computed as the ratio of the sleeve friction to the cone tip resistance, is plotted versus depth in fig.
In determining the method of investigation, there are two methods commonly used to do the works mackintosh probe, there are straight line methods and triangle method. Cbr to bs and astm standards, marshall tests and many more. Mercury vapor lamps emit more than 90% of their radiation at 253. John algeo notes, however, that despite numerous differences in pronunciation, american english resembles present standard british english more closely than it does any other british type of speech the origins and development of the english language, 2014.
The probe is unable to penetrate into medium strength soil and gravelly ground. The publications listed below are new and revised british standards that were made available last month. The mackintosh probe is one of most widespread penetrometers in use in saudi arabia. The use of the mackintosh probe for site investigation in. This is a light dynamic test and the cone is drivendirectly into the soil by driving a hammer 5 kg. Standard penetration test spt to investigate the ground properties at universiti. Mackintosh probe as an exploration tool springerlink. Automatic console 2000kn cube and cylinder compression machine. The following british standard publications are available for purchase from our web site. Learn about the international material testing standards for plastics and rubber and find out which standards apply to your products. Bearing capacity technical guidance on the geotechnical. The mackintosh probe test is a simple and economic testing method to gather preliminary data on sub surface conditions. Pdf the jkr probe test is a popular field test in malaysia, and is especially used in soft soil areas to determine bearing capacity. Pdf correlation of jkr probe with undrained shear strength.
Correlation plots of the results from both methods gave linear equations, y 0. Jones2 1geotechnical group, civil engineering department, university of tehran, po box. An equation has been derived to relate the mackintosh m. It is a considerablyfaster and cheaper tool than boringequipment especially when thedepth of exploration is moderate andthe soils under investigation are softor loose mackintosh probe which has 30. Pdf standard penetration test in engineering geological. The wavelength of uv radiation ranges from 328 nm to 210 nm 3280 a to 2100 a. The verification of the degree of compaction can be determinate on site by a simple procedure consisting essentially in removing and weighing a part of compacted soil and replacing in the hole with sand by a simple apparatus recording the volume of sand and then calculating the density of the removed soil. Mackintosh probe prospecting kit sl015 impact test. Soil investigation probe mackintosh by aila nas on prezi. Electrochemical probe method british standard iso 5814. Its maximum bactericidal effect occurs at 240280 nm. Classification and method of test for external fire exposure to roofs supersedes bs 4763. Standard british english is sometimes used as a synonym for received pronunciation rp. Results of jkr probe and mackintosh probe can be taken as equivalent.
The mackintosh prospecting tool consists of rods which can be threaded together with barrel connectors and which are normally fitted with a driving point at their base, and a light handoperated driving hammer at their top. Inactivation of microorganisms results from destruction of nucleic acid through induction of thymine dimers. Cone penetration tests ground testing methods fugro. Determination of potassium, sodium, and total alkalies in. Astms geotechnical engineering standards are instrumental in specifying, testing, and investigating the physicalmechanical properties and characteristic behaviors of surface and subsurface earth materials that are relevant to a construction project.
Particle size distribution testing using the wet sieve method was conducted on the underlying. This provides a very economical method of determining the thickness of soft deposits such as peat. Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the twopoint jkr method british standard this document describes a procedure for the determination of elastic modulus for compliant materials using atomic force microscope afm. Hand held digital thermometer and probe test record sheet method. Temperature measurement standards astm international. Bs sand replacement test sets, soil testing equipment. Learn how fugros ground testing methods can determine soil type and stratification, geotechnical and dynamic properties, geoenvironmental properties, hydraulic behaviour, and conduct obstruction and uxo surveys. Probe machintosh tools hammer soil investigation probe mackintosh marking tools equipment of probe machintosh probe machintosh road 6pcs x 1 meter wrench penetration cone group members. Insitu testing using the trl dcp geointegrity, site. Mackintosh probe test specification technical standard quality. One of the most common types of probing is mackintosh probe. The mackintosh probe is one of most widespread penetrometers in use in. The use of the mackintosh probe for site investigation in soft soils article in quarterly journal of engineering geology and hydrogeology 392. Spt involves the driving of a standard sampler through a distance of 450mm into the bottom of a borehole using the standard weight of 63.
Probe, repeatability, site investigation, standard penetration test. The purpose of this paper is to present the capability and limitations of this probe. Method statement for mackintosh probe test main contract bp 03 document ref no. The combined weight of the upper shaft, anvil, lower shaft and cone should be approximately 3. Jkr mackintosh probe test foundtest drilling sdn bhd.
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