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1 265 (0,119s) •

Project

Improved field method for quantifying strength and degree of weathering in granularly-disintegrating rocks (GA24-12696S)

So far, no established method exists to quantify the strength and degree of weathering in strongly weathered rocks, while for firm rocks the Schmidt hammer is used of rock outcrops. The method will be developed by ...

Geology

  • 2024 - 2026
    • •
  • 6 267 tis. Kč
    • •
  • 6 267 tis. Kč
    • •
  • GA ČR
Project

Research of geocomposites with grouted discontinuities (IAB3086907)

Geocomposites are new materials, which combine natural rock with chemical grout, first of all on the base of polymers. In hard rocks the grout fulfills on rock type, quality and width of discontinuities and chemical grout p...

DH - Báňský průmysl včetně těžby a zpracování uhlí

  • 1999 - 2000
    • •
  • 1 120 tis. Kč
    • •
  • 434 tis. Kč
    • •
  • AV ČR
Project

Influence of wildfires and high temperatures on the rock slope stabilty (SS07010216)

characteristics of rocks (strength, porosity, permeability, etc.) and thus the stability of rock masses. The analysis will be carried out on different rocks (sandstones, limestones, crystalline rocks). 2...

Geology

  • 2024 - 2026
    • •
  • 6 087 tis. Kč
    • •
  • 5 167 tis. Kč
    • •
  • TA ČR
Project

Analysis of failure development of rock samples in deformation process by physical methods (GA105/02/0895)

strength. Analysis of development of failure will be carried-out on two types of rocks: sedimentary rock -sandstone and in an igneous rock - granite. Study of failure degreeStudy of the process of propagation of f...

DH - Báňský průmysl včetně těžby a zpracování uhlí

  • 2002 - 2004
    • •
  • 2 029 tis. Kč
    • •
  • 919 tis. Kč
    • •
  • GA ČR
Project

The influence of the long term thermal loading on the strength properties and corrosion effects of the bentonites and their mixtures (GA103/02/0142)

The proposed project will deal with strength properties and corrosion impact of strength properties (shear strength of powder material, uniaxial strength, bending strength and shear strength of pr...

JM - Inženýrské stavitelství

  • 2002 - 2004
    • •
  • 1 540 tis. Kč
    • •
  • 1 410 tis. Kč
    • •
  • GA ČR
Project

Changes of physical and mechanical properties of rocks in function of depth (GA205/01/1299)

properties selected kinds of rocks from various depths of the Kola Superdeep Borehole and synthesize data obtained by studying of rocks borehole core and their surface homologues content, permeability etc., to determine strengt...

DB - Geologie a mineralogie

  • 2001 - 2002
    • •
  • 1 094 tis. Kč
    • •
  • 539 tis. Kč
    • •
  • GA ČR
Project

Three-dimensional fabric of pore space in sedimentary rocks correlation to the physical and mechanical properties (GA205/08/0676)

of pores space on physical and mechanical properties of highly porous rocks, i.e. rocks in which pores make important part of bulk rock fabric. The study will be focused on the following research tasks:- relationship betwe...

DC - Seismologie, vulkanologie a struktura Země

  • 2008 - 2010
    • •
  • 2 150 tis. Kč
    • •
  • 2 150 tis. Kč
    • •
  • GA ČR
Project

Patterns and trends of rock slope instability explained with thermal forcing in temperate climate (GA25-17664S)

Rocks slopes are subjected to diurnal, seasonal and long-term temperature fluctuations, which result in a certain rate of rock wear, weathering, and instability on geomechanical properties which, in turn, control the stability of

Geology

  • 2025 - 2027
    • •
  • 7 689 tis. Kč
    • •
  • 7 689 tis. Kč
    • •
  • GA ČR
Project

Factors influencing the origin of the acoustic emission in rock samples in triaxial stress conditions (GA105/00/P064)

knowledge of the rock bëhaviour during uniaxial and triaxial loading in laboratory conditions from the point of view of their suscëptibility to rock burst phenomena the origin of the acoustic emission from rock samples dur...

DH - Báňský průmysl včetně těžby a zpracování uhlí

  • 2000 - 2001
    • •
  • 443 tis. Kč
    • •
  • 318 tis. Kč
    • •
  • GA ČR
Project

Prognosing of disintegrating resistances of rocks in perspectives of mining fields in the giant opencast mines (GA105/98/0166)

The base of proposed project is securing the relation between the common determined quantities of strength parameters of rocks by drill survey and breaking resistances that they wi.ll give at the excavation by continual technique a ...

DH - Báňský průmysl včetně těžby a zpracování uhlí

  • 1998 - 2000
    • •
  • 1 281 tis. Kč
    • •
  • 1 281 tis. Kč
    • •
  • GA ČR
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