National Institute of Research and Development for Land Reclamation “ISPIF” Bucharest
Copyright © 2010 INSTITUTUL NATIONAL DE CERCETARE - DEZVOLTARE PENTRU IMBUNATATIRI FUNCIARE
STUDIES AND INVESTIGATIONS
FIELD INVESTIGATION AND IN SITU TESTING
* manual and mechanical drilling;
* galleries and test pits;
* soil and water sampling;
* static and dynamic penetration tests;
* in situ testing on piles and cast in place concrete walls, compressibility, shearing, concrete - rock friction, shearing and compressibility tests on granular materials and prepared samples;
* Hydrogeological tests by pumping and pit fillings measurements of flow direction and aquifer type;
* field tests for determining the permeability of surface soil layers (zone of aeration );
* permeability tests and cement injections into fissured rocks;
* clearing of sand clogging wells;
* hydrometrical measurements for establishing of water flow velocity, flow direction, velocity distribution, quantities of suspension material and hydraulically characteristics of flow;
* surveying of river bed mobility in natural regime and execution of civil works.
* geological, geological engineering and Hydrogeological mappings;
* topographic surveying;
- geodesic and topographical point networks for planimetry, and bench marks;
- maps and plans of various scales (1:100,000, 1:50,000, 1:25,000, 1:10,000, 1:5000, 1:200, 1:1,000, 1:500, 1:100) with the contour lines, resulted from photogrammetric and topographic methods;
- transverse and longitudinal profiles, bathymetric measurements on rivers, valleys, canals, lakes;
- ground surveys and details for the existent elements (bridges, hydraulic constructions, urban constructions above ground and underground, various types of constructions);
- control of the works and their behaviour in time (deformation study): dams, pumping stations, aerials, relays.
LABORATORY TESTING by conventional modern apparatus, generally with automatic registering, for:
* SOIL MECHANICS: grain size analyses, porosity, Atterberg limits, unit weight, compressibility, consolidation test, direct, reversible and rotational shear strength, triaxial compression, swelling-shrinkage, compacting, permeability and others;
ROCK MECHANICS: unit weight, porosity, compression strength, unconfined compression test, frost resistance and others;
* HYDROCHEMISTRY: chemical water analyses for potability, irrigation, organic materials, aggressiveness against metal and concrete, suspensions, sedimentation velocity and " in situ " analyses (CO2, H2S, C, B, O, etc.);
* PEDOLOGY: chemical water and soil analyses;
* TOPOGRAPHY:
- photographic plans with the land real state at one time made on the basis of the aerial - survey photographs, photoplans with contour lines;
- mapping on transparent plastic or tracing paper of plans, drafts, prospects or any other documentation;
- interpretation of aerial photographs.
OTHER SERVICES:
* detailed elements form the data bank (geotechnical, engineering geological, hydrogeological);
* details relating to the geodesic and topographical basis, aerial photographs, maps, plans of various scales available in the area of interest;
* control and calculation of the earthworks quantities by terrestrial photos, surveying and architectural details for monuments reconstruction, control of the land slides;
* calculation of mineral and drinking water reserves and proposals for hydrogeological and sanitary protection areas;
* execution of drilling and grouting for watertight diaphragm, anchorage drilling, piezometres;
· execution of hydrometrical measurements for control of water supply and discharge devices at the hydraulic constructions.
To perform the mentioned services we dispose of:
For prospecting, "in situ" investigations and testing:
- facilities and equipment for manual drilling 8 5/8" at 10 m depth and 2" at 3 m depth;
- MINIFOR mechanical drilling unit, 8 5/8" to 10 3/4" at 10 m depth;
- mechanical drilling unit 38 - 100 mm diameter for depth of 150 m;
- metal tubing and filters, PVC stand pipes for piezometers observation wells and slope monitoring;
- conventional pumps and other equipment to perform galleries and testpits;
- detailed sampling to define the subsurface conditions;
- standard penetrometers (SPT), dynamic and static penetrometers;
- equipment for plate loading (625 to 10,000 sq.cm), hydraulic jacks and pumps of 1,000 to 3,000 kN capacity;
- shearing and compressibility devices with boxes of 80x80x80 cm for different type of soils, including gravel, boulders and crushed stone;
For streamflow measurement:
- current meter - OTT type;
- sounding - weight and steel cable for each current - meter;
- water level recorder for 30 days;
- rain gauge and recording rain gauge;
- boats with possibilities of using specific motors;
For topographic surveying, maps and plans execution:
- accuracy theodolites: Wild T3, T2, Theo-010, Carl Zeiss Jena);
- tachymeters for topographic surveying (Wild T16, Theo 020, 020 A, 020 B, 030 Carl Zeiss - Jena);
- levelling indicator for geometrical levelling (Ni 002, Ni 004, Ni 007, Ni 025, Ni 030, the whole range respectively);
electronic tachymeters (EOT 2000, RECOTA);
- other instruments (topographic drawing-board, compasses, declination compasses, measuring staff - invar type, etc.);
- stereo reproduction for plans or mapping (TOPOCART D, Stereometograph, AVIOGRAF B 10, Stereoplot);
- stereocomparator for aerotriangulation (STECOMETER-D type and DICOMETER);
- pictures scan rectifier (RECTIMAT);
- reproducer for making plans actual (TOPOFLEX);
- rectifier DURST type for all sizes;
- apparatus for micro - card - indexing " PENTACTA " type;
- device for duplicating, expanding or reduction of documents- DOCUMATOR type;
- automatic developer;
- other instruments specific to the photographic laboratory;
- automated drawing boards (DZT 80x120, KOVO);
- computers and software for digital processing in geodesy, topography, photogrammetry, mapping.
For geotechnical and rock mechanics laboratory testing:
- complete facilities for all kinds of soils and rocks (Soiltest, Geonor, Wykham - Farrance, Clockhouse, Geosystem);
- universal jacks.
* For hydrochemical determinations:
- current equipment and instruments;
- spectrophotometer with atomic absorption.
>>> The above mentioned services are carried on for the following
FIELDS OF ACTIVITY
* INDUSTRIAL CONSTRUCTIONS: metallurgical and iron plants, crushing plants, compressor stations, covered working places, equipment and machines foundations, garages, repairing and mechanical shops, chimneys, cooling towers, bunkers, etc.;
* CIVIL ENGINEERING: block of flats, administrative dwellings, clubs, sports halls, etc.;
* HYDROTECHNICAL STRUCTURES: canals, dikes, gates, stream, training, river improvements, bank protection, siphons, etc.;
* DAMS of various types: earth, rip-rap, concrete dams;
* LAND RECLAMATION PROJECTS: irrigation systems, drainage systems, soil erosion control, fish - farms;
* STRUCTURES FOR WATER SUPPLY AND SEWERAGE: water intakes, pumping stations, water delivery channels, tanks, water towers, settling tanks, water treatment stations, collecting channels;
* DRINKING AND INDUSTRIAL WATER SUPPLY
* MINERAL WATER
* GEOTECHNICAL AND HYDROGEOLOGICAL MAPPING for regional and environmental development and planning (country, urban, rural, at sea shore, in mountains, in desert, river valleys, etc.);
* LANDSLIDES, SLOPE STABILITY
* ROADS: highways, regional roads, industrial roads, forest roads, ropeways, skilifts, conveyer bolts, railways;
* BRIDGES, VIADUCTS, RETAINING WALLS
* AGRICULTURAL CONSTRUCTIONS: fodder silos, cereal (grains) stores, stables, supply bases, tanks;
* MONUMENTS: historical and art monuments, churches, monasteries;
* OPEN - PIT MINING AND WASTE HEAPS
* GRAVEL PITS AND CONSTRUCTION ROCKS
* COMPLEX HYDROTECHNICAL SCHEMES AND DEVELOPMENTS