1.
|
For high durability and strength, decreasing of the water to binder ratio of cement is needed by using of fly ash, blast furnace slag as mineral admixture. And it is poin [...]
|
2.
|
Scotland has a long tradition of earth building, with clay-rich subsoils and turf having been employed for millennia in the walls, floors and roofs of structures across t [...]
|
3.
| |
4.
| |
5.
|
Pilsniak, J.
The main aim of the paper is to estimate the process of degradation in heterogeneous materials subjected to variable load. This inhomogeneous materials can be viewed as a [...]
|
6.
| |
7.
| |
8.
|
This article introduces results of Genetic Programming used for creation of experimental data approximations together with the search for significant parameters of an af [...]
|
9.
|
Compared with the study on high-quality of recycled coarse aggregate, the study on recycling of recycled fine aggregate still has been limited. This study has quantitativ [...]
|
10.
|
Dating of mortars by means of radiocarbon dating is thought of being a promising technique for absolute dating of archaeological sites, monumental constructions and decor [...]
|
11.
|
Gypsum was widely used in the production of composite materials in Cyprus in the past, due to its abundance on the island. However, the study of local historic gypsum mor [...]
|
12.
| |
13.
|
Sophisticated analysing proceedings have been used in the past to assess the composition of hardened mortars. Chemical and mechanical tests combined with microscopic inve [...]
|
14.
|
Packing density is considered one of the most influential factors in fresh performances of mortar and concrete. There exist standardised methods for its determination, bo [...]
|
15.
|
To the interpretation of crack growth, it is substantial to estimate the plastic region geometry in front of a crack. Performed here is a study for predicting crack growt [...]
|
16.
|
Seven ductile fracture criteria are applied to simulation of cold forward extrusion and their performance in prediction of chevron cracks is presented. The criteria are i [...]
|
17.
|
Teatro Nacional de S. João (TNSJ) is the main theatre in the city of Porto, located in the city centre and built in 1918. TNSJ was designed by the well-known architect M [...]
|
18.
|
The occurrence of deformation twins in the ductile-to-brittle transition (DBT) temperature region were observed under different testing conditions. Mechanical twinning c [...]
|
19.
|
Crack problem for an array of collinear cracks in composite matrix, where the cracks tips may terminate at the interfaces of inclusions with the different elastic propert [...]
|
20.
|
The basic fracture properties of cement-based composite are ascertained on the basis of test evaluations of the specimens in suitable test configurations. Three-point ben [...]
|
21.
|
This paper is focused on fracture energy which belongs to the basic fracture-mechanical characteristics of quasi-brittle materials. This parameter is explored here from t [...]
|
22.
|
In order to reduce environmental loading, it is important to propose the way for the usage of large particles of Fly Ash. In this research, relationship between packing f [...]
|
23.
|
In case of two-parameter linear fracture mechanics a study of inhomogeneity influence on behaviour of short cracks is performed. The values of stress intensity factor (KI [...]
|
24.
|
The aim of this paper is to investigate the beginnings of crack propagation from sharp V-notches. Stress distribution around the tip of a V-notch is described on the basi [...]
|
25.
|
The results of fracture experiments and numerical model with sandstone specimens are presented in this paper. The aim is the comparison of selected mechanical/fracture pa [...]
|
26.
|
The article is a contribution to numerical simulations of pitting arise phenomena on the gear teeth. The basic assumption of the presented simulations was that pitting (p [...]
|
27.
|
Though discussed a lot, the interfacial transition zone (ITZ), the linking phase between aggregate and bulk paste, still undertakes ambiguity on its knowledge. In this pa [...]
|
28.
|
In climates with high thermal variation, energy savings can be achieved by the use of thermal inertia. However, in the cases in which the façade’s available thickness [...]
|
29.
|
In mining regions a great hazard for masonry and concrete residential buildings are semiseismic earth tremors, which potential energy could achieved 1010 [J]. Only non-cr [...]
|
30.
|
Abstrakt: Relations between crack opening displacement (CTOD) and other fracture mechanics parameters are of a great importance in fracture mechanics. The basic aim of t [...]
|
31.
|
Under the assumptions of linear elastic fracture mechanics the behaviour of cracks and general singular stress concentrators is studied and compared. The stress distribu [...]
|
32.
|
Corrosion of reinforcing steel in concrete is one of the most influencing factors causing the degradation of reinforced concrete structures, conducting to concrete crack [...]
|
33.
|
In this research work, a method that gives indications for the fixation of heavy metals in hardened cement paste was developed. The concentrations of heavy metals in the [...]
|
34.
|
Evaluation of RC structures cannot leave aside from adequate structural monitoring, as clearly stated in main international building codes. Internal reinforcement corrosi [...]
|
35.
|
Demolished concrete is often recycled as a crusher-run in Japan. It captures CO2 as the new surface is exposed to the air. This uptake is caused by carbonations of hydrat [...]
|
36.
|
The performance of concrete is increasingly designed through durability. Durable concrete is a driving force for a sustainable production and use of cement. One way to ac [...]
|
37.
|
Experimental work has been carried out in order to describe the influence of hot mixing on the properties of hardened mortars in comparison with mortars made of lime hydr [...]
|
38.
|
Presented paper deals with fracture behaviour of carbon fibre reinforced composites on the basis of Portland (PC) and alumina (HC) cement. Carbon fibres can be used for [...]
|
39.
|
A two-parameter fracture mechanics method is applied to small cracks near a stress concentrator. The small crack in the present contribution is considered as crack influe [...]
|
40.
|
This paper presents the consideration on the change judgement of J integral and Q parameter as the base parameters of two-parameter elastic-plastic fracture mechanics. An [...]
|
41.
|
The contribution discusses possible approach for the formulation of fracture criteria for the general stress concentrators – especially a surface crack terminating at t [...]
|
42.
|
Three point bending test of central notched specimen is used for determination of fracture properties of concrete, mortar and hardened cement paste. The properties – e. [...]
|
43.
|
Paper is focused on comprehensive solution of probabilistic integrity assessment of pressure vessels. Engineering criteria was fully respected during solution, however fr [...]
|
44.
|
The contribution deals with the 3D analysis of the chevron notched three point bending specimen which is used to determine the fracture toughness of brittle matrix compos [...]
|
45.
|
Lime-pozzolan mortars are often used for the restoration of historical buildings. Several studies have been developed in regards to the use of waste in construction mater [...]
|
46.
|
Concrete is represented as a two-phase material in this paper. Behaviour of a crack with its tip on the interface between two different materials - hardened cement paste [...]
|
47.
|
Fracture behaviour of concrete is studied using two-phase material model. Propagation of a single macrocrack in hardened cement paste (matrix) and aggregate (particle) is [...]
|
guest ::