- Type of paper
: Paper in journal
Title:
- Authors:
- Polić, Srećko (75334)
Journal: Građevinar
Number: 46
Volume: 1
Year: 1994
Pages: from 11 to 17
Language: hrvatski
Summary: The numerica procedure for structural analysis of circular
plates, either with or without openings (rings and discs), is described.
The procedure is based on the finite difference method and the difference
equations are derived from equilibrium requirements of all forces acting on
the area surrounding each node. The plate area discretization is made
within the polar coordinate system. Equations have been derived in the
non-dimenzional form, so that the data presented in the corresponding
example are also non-dimensional. Trial
calculation results correspond well to the correct results.
Keywords: circular place, disc, ring, calculation, biharmonius equation, finite difference method, difference equations.
- Type of paper
: Paper in proceedings
Title: Structure Fundations with Aimed Re-distribution of Contact
Stresses
- Authors:
- Verić, Franjo (74774)
- Editors
- Radić, Jure
Proceedings title: Zbornik radova Trećeg kongresa hrvatskih građevinskih konstruktera
Language: hrvatski
Place: Brijunski otoci, Hrvatska
Year: 1990
Pages: from 253 to 260
Meeting: Treći kongres hrvatskih građevinskih konstruktora
Held: from 10/24/90 to 10/31/90
Summary:
The paper presents definitions of a "normal" distribution ofstresses on the
soil-fundation contacts and thereafter itdiscusses the principles and
theoretical basis of the possibilityof the "forced" re-distribution and
analysis of these stresses.The "forced" stresses transmission of load into
soil results in,either more favourable stresses in the foundation
structure, orin more favourable deformation conditions.
This problem is also considered in cases of piles which, whennecessary,
could be included in the transmission of stresses intosoil, after the
desired settlement of a cup structure has beenachived.
Keywords: Foundations, Contact Stresses (Pressure), Aimed Re-distribution.
- Type of paper
: Paper in proceedings
Title: Analysis of the Effect of Longitudinal Pipe Dreins in
Homogeneous Embankment Dams
- Authors:
- Verić, Franjo (74774)
- Megla, Tomislav
Proceedings title: Seventheenth International Congress on Large Dams
Language: engleski
Place: Vienne, Austria
Year: 1991
Pages: from 497 to 506
Meeting: Seventheenth International Congress on Large Dams
Held: from 06/17/91 to 06/21/91
Summary:
Homogeneous embankment dams constructed of cohesive or slightlypervious
soil material shall be protected from seepage water bydesigning drainage
system.
In the paper a possibility of a protection from seepage water byhorizontal
pipe drains has been analysed. The analyses were madeby the method of
electrical analogue.
Keywords: Homogeneous Embankment Dam, Drainage, Pipe Drains.
- Type of paper
: Paper in proceedings
Title: Foundations Damage Remedial Operation
- Authors:
- Marić, Božica
- Verić, Franjo (74774)
- Horvat, Krešimir (6484)
- Editors
- Radić, Jure
Proceedings title: Zbornik radova radnog sabora "Graditelji u obnovi Hrvatske"
Language: hrvatski
Place: Brijunski otoci, Hrvatska
Year: 1992
Pages: from 53 to 58
Meeting: Radni sabor "Graditelji u obnovi Hrvatske"
Held: from 06/25/92 to 06/27/92
Summary:
The war caused numerous damages on industrial facilities.Although the
bigest of these occured on such parts of structureswhich find thenselves
above the ground, foundations also sufferedto some extend. The largest
damage caused in one of Croatian oilrefineries has been inflicted in the
tank storage area, on theconnection pipelines, as well as the processing
parts of theplant.
This article presents the major damage causes and possible waysof their
remedy.
Keywords: Foundations damage, Remedial operation.
- Type of paper
: Paper in proceedings
Title:
- Authors:
- Čorko, Damir (145683)
- Lovrenčić, Damir
- Čagalj, Miroslav (7564)
- Editors
- Radić, Jure
Proceedings title: Zbornik radova Radnog sabora "Graditelji u obnovi Hrvatske"
Language: hrvatski
Place: Brijunski otoci, Hrvatska
Year: 1992
Pages: from 63 to 67
Meeting: Radni sabor "Graditelji u obnovi Hrvatske"
Held: from 06/25/92 to 06/27/92
Summary: The war destruction on the old buildings are often
characterizedby local demages on walls, while wooden roof-beams and
roofstructures were either burned down or collapsed over theirgreater part.
As these are mostly residental houses, it isevident that their restoration
is obviously of the utmostpriority.
Under such conditions the remedy and restoration works can beundertaken
after a minimum of examination, preparation anddesigning.
The experience gained by authors of the paper points to the factthat the
easiest way of attaining this goal is the preservationof the original
constructional system. This article gives basicelements of a precisely such
manner of approching therestoration.
Keywords: Old building, war destruction, remedial operation.
- Type of paper
: Paper in proceedings
Title: On Use of Prestressing Tendons in Repair Works
- Authors:
- Čorko, Damir (145683)
- Lovrenčić, Damir
- Čagalj, Miroslav (7564)
Proceedings title: Proceedings of the third iternational conference "Modern Building Materials..."
Language: engleski
Place: Vilnius, Litva
Year: 1993
Pages: from 258 to 262
Meeting: The 3rd international conference "Modern Building Materials, Structures and Techniques"
Held: from 05/10/93 to 05/13/93
Summary:
In repair operations on old buildings the use od reinforcedconcrete is
relatively frequent in providing the strengtheningeffect. But, as it turned
out, the installation of new concretestructural elements is accompained
with range of side problems,which will in the end make the justifiability
of the solutionquestionable.
Prestressing tendons can in a number of cases be a solutionensuring a
satisfactory stability of a building, spoiling itsoriginality to a minimum.
The paper describes some experiences gained in such an approachto the
repair od buildings.
Keywords: Repair buildings, prestressing tendons.
- Type of paper
: Paper in proceedings
Title: Repair Works on the Foundation Sensitive to Deformations
- Authors:
- Marić, Božica
- Verić, Franjo (74774)
Proceedings title: Razprave prvega posvetovanja slovenskih geotehnikov
Language: hrvatski
Place: Bled, Slovenija
Year: 1993
Pages: from 1 to 6
Meeting: Prvo posvetovanje slovenskih geotehnikov
Held: from 09/22/93 to 09/23/93
Summary:
The papers deals with the repair works on the machine foundationwhich
consists of three separate foundation strips.
The remedial works resulted in much higher stiffness of thefoundation. This
effect was achieved by means of new structuralelements (transfersal
coupling and insertion of longitudinalelements). The ratio of measured
deformation of the foundationdue to live load, prior to and after the
repair works, is 3.7:1 .It may be concluded that certain degree of load
transfer fromouter strips to the middle strip existed even before
thestrengthening of the foundation although the strips were notcoupled.
Keywords: Machine foundation, coupling, strengthening.
- Type of paper
: Paper in proceedings
Title: A contribution to the design of the longitudinal sleepers
under the rails
- Authors:
- Verić, Franjo (74774)
- Polić, Srećko (75334)
- Editors
- Mavar, Ramon
Proceedings title: Priopćenja 1
Language: hrvatski
Place: Zagreb
Year: 1995
Pages: from 85 to 97
Meeting: Geotehnički problemi u urbanim sredinama
Held: from 10/04/95 to 10/06/95
Summary: Railway vehicles with a small axle span are run the rails
installed on the transverse sleepers.
The special rail vehicles, as for example construction cranes and loading
cranes in ports i.e. docks and in warehouses, have much larger axel spans
and therefore their rails should be instaled on on longitudinal sleepers.
The mentioned sleepers are only connected here and their in order to
provide a proper transferse spacing. A specific feature of such tracks in
that they require almost absolutely horizontal rails and therefore from
time to time they have to be adjustes to the designed level.
Considering the above requirement tje rails are often installed on the
complex systems of longitudinal sleepers and the underlying foundations.
In the paper several designs are represented for permanent and provisional
tracks along with the methods of analysis for the complex systems. In
conclusion, two patterns of the track analysis for the building crane are
given. The first solution considers the tracks on the shallow grillage
foundation and in the second case the grillage is founded on the driven
piles.
- Type of paper
: Paper in proceedings
Title:
- Authors:
- Megla, Tomislav
- Verić, Franjo (74774)
Proceedings title: Proceedings
Language: engleski
Place: Mamaia, Romania
Year: 1995
Pages: from 1097 to 1106
Meeting: 10th Danube-European Conference on Soil Mechanics and Foundation Engineering
Summary: The need for waste disposals and accordangly for dams is
present nowdays in civil engineering practise. Designing of the embankment
dams waste disposals should be planned from aspect of dam safety as well as
from the economical aspects.
Various possibilities of hightening of waste dams are disscused. Position
of the drains as the most important part of general stability of the dam
body is considered.
Some waste materials (or the fractions of them) have mechanical properties
acceptable for dam construction. Two diferent materials were tested for the
design of waste disposal.
- Type of paper
: Paper in proceedings
Title: Structural Analysis of Elastically Supported Circular
Plates
- Authors:
- Polić, Srećko (75334)
Language: hrvatski
Place: Zagreb
Year: 1994
Meeting: Treći radni sabor: Graditelji u obnovi Hrvatske
Held: from 10/13/94 to 10/15/94
Summary: The numerical procedure for structural analysis of
elastically supported circular plates, loaded with arbitrary forces, is
described. The governing differential equation is aproximeted
by the finite difference method. The difference equations are derived by
the method of local equilibrium. The plate area discretization is made
within the polar coordinate system. Trial
calculation results correspond well to the exact ones and show high rate of
convergence. Two times smaller steps produce four times smaller errors
- Type of paper
: Paper in proceedings
Title: Ground improvement as the method for settlement reduction
- Authors:
- Čagalj, Miroslav (7564)
- Čorko, Damir (145683)
- Kovačić, Davorin
- Lovrenčić, Damir
- Verić, Franjo (74774)
- Editors
- Mavar, Ramon
Proceedings title: Priopćenja 1
Language: hrvatski
Place: Zagreb
Year: 1995
Pages: from 289 to 292
Meeting: Geotehnički problemi u urbanim sredinama
Held: from 10/04/95 to 10/06/95
Summary: The new post offisce building at Ploče had to be
constructed in the immediate visinity of the existing railway station. As
the quality of the subsoil was extremely poor (loose and very compressible
strata of cca 40 m depth) the new building had to be
constructed on the foundation mat. The values of the calculated settlements
were between 20 and 30 cm, while the relevant settlements of the adjacent
building were 10 cm. Due to the
required depth in the case of deep foundations, probable pile foundation
came out to be expensive and not acceptable for the client.
That was the reason to find the solution by means of soil improvement. The
solution with stone blocks punched into the ground was applied. The
foundation grid was applied instead of the mat. The transfer of soil
reaction to the floor slabs was prevented. Calculated settlements for this
solution were ccy 10 cm, and the relevant settlements of the adjacent
building were cca 3 cm. Wooden sheet piling reduced this influence even
more (cca 2 cm)
Measured settlements after the completion of the building were cca 4 cm.
The find result provers that the solution was correct and we believe that
it could be applied, probably with some modification, in a similar
situation.
Keywords: settlement reduction, shallow foundation, ground imporvement.
- Type of paper
: Paper in proceedings
Title: Selection of the horizontal base liner
- Authors:
- Horvat, Krešimir (6484)
- Drnjević, B.
- Editors
- Mavar, Ramon
Proceedings title: Priopćenja 1
Language: hrvatski
Place: Varaždin
Year: 1995
Pages: from 119 to 128
Meeting: Geotehnički problemi u urbanim sredinama
Held: from 10/04/95 to 10/06/95
Summary: The protection of enviroment against pollution is based on
the concept of either half-closed or closed dump sites. Half-closed dumps
do not have an impremeable base besause
it is considered that the attenauation capacity of base layers is
sufficient for preventing harmful influence to the underlying water-bearing
soil. In the closed system, both covering
and base linears are used to isolate the waste. The combination of
half-closed and closed system is considered to be the most favorable
option. In order to reduce the pollution risk,
the waste should previously be selected and properly treated. The most
critical design stage is the moment when material for the impermeable base
layer is selected. According to German and Austrian regulations, the choise
of the impermeable base system depends on local geological and
hydrogeological properties and the leachate content. A complex
impermeable-base system was designed to improve the currently uncontrolled
waste deposit
at Jakuševec in Zagreb.
Keywords: Waste dump, base liner, pollution, attenauation capacity, leachate
- Type of paper
: Paper in proceedings
Title: Tje losest state of silty soils - normalization
- Authors:
- Zlatović, Sonja (163841)
- Ishihara, Kenji
Language: engleski
Place: Sapporo, Japan
Year: 1994
Pages: from 332 to 333
Meeting: Japanska godišnja građevinska konferencija
Summary: Using three distinctively different methods of speciment
preparation for a sandy silt, the loosest possible structure was obtained.
Both the void ratio and behaviour of soil vary
with the fabric of soil, but three elements remain the same. First: for
each fabric, stress-strain curves and stress paths coincide when normalized
with the initial confining pressure.
Second: when these normalized curves are compared for the fabrics, they
practically coincide up to the peak strength. Third: steady state does nod
depende on the fabric (except through the value of the void ratio).
Keywords: sandy soils, silty soils, residual strength, peak strength
- Type of paper
: Paper in proceedings
Title: On the influence of nonplastic fines on residual strength
- Authors:
- Zlatović, Sonja (163841)
- Ishihara, Kenji
Language: hrvatski
Year: 1995
Meeting: First International Conference on Earthquake Geotecnical Engineering
Held: from 11/12/95 to 11/17/95
Summary: Toyoura sand was milled into a nonplastic silt and the
series of mixtures was made from the two materials, with the increasing
content of silt, from 0% to 100%. The specimens were prepared into the
loosest state using three methods preparation. In dry state, with an
increase in the silt content, the maximum void ratio increased, but after
saturation the tendency changed. However, the contractiveness increased,
the peak and residual strength decreased and the quasi-steady state line in
the logp',e space moved downwards with the increase in the silt content up
to 30%. With further increase in the silt content, concractiveness
decreased, strength increased and the quasi-steady state line moved
upwards.
These results show that some values of the list content are extremly
dangerous.
Keywords: sility soils, sandy soils, residual strength, peak strength.
- Type of paper
: Paper in proceedings
Title: Minimal peak undrained strength of non-plastic soils
- Authors:
- Zlatović, Sonja (163841)
- Ishihara, Kenji
Proceedings title: Proceedings
Language: engleski
Place: Mamaia, Romania
Year: 1995
Pages: from 471 to 476
Meeting: 10th Danube-European Conference on Soil Mechanics and Foundation Engineering
Summary: Loose non-plastic soils are very sensitive to the changes
in void ratio, which makes both undisturbed and confident estimation of the
void ratio practically impossible. The influence of fabric on the behaviour
of soil adds to the inadequacy of testing on the
specimens reconstituted in the laboratory.
To investigate the effect of void ratio and fabric of loose non-plastic
soils, a series of triakxial tests were perfomed on the specimens prepared
using three different methods of
preparation. It was found that the peak strength decrease with an increase
in void ratio, but only until the minimal value, corresponding to the
loosest state. The loosest state varies with
the method of preparation or fabric. However, it found that, although the
fabric significantly affects the behaviour of soil, including the void
ratio of the loosest state and residual strength the peak strength is
practically independent of the fabric.
Keywords: peak strength, silty soils, triaxial tests
- Type of paper
: Ph.D.
Title: Residual strength of silty soils
Faculty: Građevinski fakultet Tokyo
Author: ZLATOVIĆ SONJA
Language: engleski
Number of pages: 358
