scholarly journals TEGAL BESAR BEACH REHABILITATION WITH SCALLOPED CONCRETE BLOCK REVETMENT

2021 ◽  
Vol 25 (1) ◽  
pp. 75
Author(s):  
Ni Nyoman Pujianiki
Keyword(s):  
Bearing Capacity ◽  
Concrete Block ◽  
Breaking Wave ◽  
Uniform Size ◽  
Design Wave Height ◽  
Concrete Blocks ◽  
Overturning Stability ◽  
Level Elevation ◽  
Aesthetic Aspect ◽  
The Aesthetic

Klungkung has a coastline of 113 km out of a total of 5780.06 km2 the coastline in the province of Bali, but about 25 km is eroded. One of the critical areas occurs in Tegal Besar beach which caused erosion of 0.08875 to 3.0915 m/yr. Revetment with scalloped concrete blocks is expected to protect land from the wave attack. Concrete blocks have uniform size and shape, showing the aesthetic aspect so as not damage the beauty of the beach. Analysis of wind, tidal, bathymetry and soil data are carried out to obtain the structure and stability of the revetment. The results of this design can be used to rehabilitate the condition of the Tegal Besar beach. From the analysis, the design wave height with a return period of 25 years (H25) = 0.891 m, while the height with the breaking wave (Hb) = 1.003 m and the breaking wave depth (db) = 1.068 m and the design water level elevation (DWL) = 2.061 m calculated from MSL. The revetment structure has a height of 4.00 m, a peak width of 1.50 m, the weight of the first layer of protection is 300 kg and the second is 30 kg with a thickness of 1.00 m. Toe protection are 1.25 m high, 3.00 m wide and weigh 150 kg. The results showed that the revetment was stable against overturning, shearing, and the bearing capacity of the soil was declared safe with the results of overturning stability 22,075 > 2, slidding stability 2.249 > 1.5 and the bearing capacity of the soil 57,993 > 3 so that the revetment can be eligible to be applied at the site.

THE ASPECTS OF EFFICIENT DYNAMIC CONFIGURATIONS IN ARCHITECTURE

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Randa Hassan Mohamed ◽  
Gehan Ahmed Ebrahim
Keyword(s):  
Economic Efficiency ◽  
Physiological Effect ◽  
Reciprocal Relation ◽  
Dynamic Aspect ◽  
Different Ages ◽  
Aesthetic Aspect ◽  
The Aesthetic

The elements and means affecting the formulation and structure of the architectural buildings have been greatly developed by man throughout different ages according to the development of technology, so the dimensions and specifications of configuring dynamic buildings can be designed and controlled in order to leave the required effects on the environment and the user to serve certain purpose or function. But it seems that the process of formulating any architectural vocabulary acting on the dynamic aspect goes beyond the boundaries of the perceived dimensions and the included unperceived one; as the first dimensions may be considered namely the aesthetic aspect in architectural work, while the included unperceived dimensions may display efficiency in work which is greatly influenced by the personality and the formative attitudes of the architect, the site style and the surrounded environment, as well as the economic efficiency of the building. However, the liability issue seems to be the absence of the criterion of forming efficient dynamic configurations in architecture. Accordingly this research aims to reach this criterion as identifying the architectural attitudes; as a decisive in shaping the building as its facades, envelopes, sections or plans. Additionally, it attempts to explain the reciprocal relation between the architectural vocabulary (perceived aspects of configuration) and the unperceived one which is distinguishing the valuable architectural works. The research will attempt to analyze the elements included and the aesthetic and formative considerations while configuring the dynamic building to determine the important role played by such formation in reaching the psychological and physiological effect on the user in turn to maximize its utilization of such architectural work.

scholarly journals The Influence of Lime Solution in Kneading Water Substitution on Cement Roughcast and Mortar Coating

Materials ◽  
2021 ◽  
Vol 14 (15) ◽  
pp. 4174
Author(s):  
André M. Santos ◽  
Ângelo J. Costa e Silva ◽  
João M. F. Mota ◽  
João M. P. Q. Delgado ◽  
Fernando A. N. Silva ◽  
...  
Keyword(s):  
Bond Strength ◽  
Concrete Block ◽  
Tensile Bond Strength ◽  
Water Penetration ◽  
Strength Tests ◽  
Lime Solution ◽  
Concrete Blocks ◽  
Materials Used ◽  
Bonding Systems ◽  
Direct Tensile

The understanding of the mechanical fixation behavior of coatings is crucial for a better comprehension of the bonding systems, especially at the interface between the mortar and the substrate. Physical adherence is related, among other things, to the contents of the materials used in the roughcast and mortar coatings, due to the colloidal water penetration into the pores of the substrate. This work evaluated the influence of different lime solution additions replacing the kneading water in the preparation of roughcast and mortar coatings. Two types of substrates were investigated:ceramic bricks and concrete blocks. Three wall masonry panels were constructed, with dimensions of 220 × 180 cm2, one of concrete block and two of ceramic bricks, followed by the application of roughcast and mortar coating with an average thickness of 5 mm and 20 mm, respectively. Direct tensile bond strength tests were performed and the results, with a 95% confidence level, showed that substrate ceramic and treatment in the roughcast exhibited a better behavior regarding the distribution of the tensile bond strength of the tested specimens. However, no significant differences of the amount of addition used (0%, 5%, 10% and 15%) on the tensile bond strength were observed.

Mechanical Properties of Various Models of Interlocking Concrete Blocks under In-Plane and Out-of-Plane Loads

2021 ◽  
Vol 881 ◽  
pp. 149-156
Author(s):  
Mochamad Teguh ◽  
Novi Rahmayanti ◽  
Zakki Rizal
Keyword(s):  
Mechanical Properties ◽  
Building Material ◽  
Experimental Tests ◽  
Concrete Block ◽  
Masonry Wall ◽  
Masonry Walls ◽  
Plane Shear ◽  
Out Of Plane ◽  
Concrete Blocks ◽  
Local Materials

Building material innovations in various interlocking concrete block masonry from local materials to withstand lateral earthquake forces is an exciting issue in masonry wall research. The block hook has an advantage in the interlocking system's invention to withstand loads in the in-plane and out-of-plane orientations commonly required by the masonry walls against earthquake forces. Reviews of the investigation of in-plane and out-of-plane masonry walls have rarely been found in previous studies. In this paper, the results of a series of experimental tests with different interlocking models in resisting the simultaneous in-plane shear and out-of-plane bending actions on concrete blocks are presented. This paper presents a research investigation of various interlocking concrete blocks' mechanical properties with different hook thicknesses. Discussion of the trends mentioned above and their implications towards interlocking concrete block mechanical properties is provided.

scholarly journals Regrowth and ornamental traits of bermudagrass fertilized with sewage sludge

2020 ◽  
Vol 26 (3) ◽  
pp. 390-398
Author(s):  
Philippe Solano Toledo Silva ◽  
Alessandro Reinaldo Zabotto ◽  
Patrick Luan Ferreira dos Santos ◽  
Matheus Vinícius Leal do Nascimento ◽  
Armando Reis Tavares ◽  
...  
Keyword(s):  
Sewage Sludge ◽  
Soil Solution ◽  
Digital Image Analysis ◽  
Vegetation Index ◽  
Normalized Difference Vegetation Index ◽  
Low Cost ◽  
Aesthetic Aspect ◽  
Positive Correlations ◽  
The Aesthetic ◽  
Ornamental Traits

Abstract The sewage sludge is a low-cost material and sustainable alternative to substitute chemical fertilizers on ornamental lawns and gardens. Thus, the objective was to evaluate the effects of the application of sewage sludge on the regrowth and ornamental traits of DiscoveryTM bermudagrass. The experiment was carried out during the fall/winter of 2019. The turf was removed and left the soil exposed for a new grass regrowth. The treatments applied were 0, 357, 714, 1,071 and 1,428 g m-2 sewage sludge spread evenly on the lawn in a single dose. The evaluations were carried out after 120 days and the soil solution (EC and NO3 -), Normalized difference vegetation index, root length, root + rhizome + stolon + leaves volume and digital image analysis were evaluated. The results showed that the increase of sewage sludge positively influenced the turfgrass development, both in the aesthetic aspect and on bermudagrass regrowth. The soil solution can show that the sludge increased the electrical conductivity and NO3- ions; however, it did not hinder the development of the lawn, even having positive correlations between these variables and the biometric evaluations of the plant. It is concluded that the dose of 1,428 g m-2 presented the best results for the evaluated characteristics, being the recommended one for use in the fertilization of bermudagrass DiscoveryTM.

scholarly journals Mechanical characterization of concrete block used on infill masonry panels

2018 ◽  
Vol 9 (3) ◽  
pp. 281-295 ◽  
Author(s):  
Patricia Raposo ◽  
André Furtado ◽  
António Arêde ◽  
Humberto Varum ◽  
Hugo Rodrigues
Keyword(s):  
Mechanical Characterization ◽  
Experimental Tests ◽  
Concrete Block ◽  
Masonry Walls ◽  
Compression Tests ◽  
Content Type ◽  
Average Resistance ◽  
Concrete Blocks ◽  
Simple Compression ◽  
Infill Masonry

Purpose The infill masonry walls in recent worldwide earthquakes have shown that it is necessary to conduct further studies to characterize the behavior of existing buildings and, in particular, of infill masonry walls under seismic activity. The lack of characterization studies of infill walls made by concrete blocks justifies the investigation reported herein, which includes experimental tests on sample sets to evaluate the mechanical properties of masonry components (units and mortar) and assemblages (wallets) made with masonry units from Faial. For the later, normal compressive, diagonal tensile/shear and out-of-plane flexural strengths were obtained according to standard procedures, the results of which are presented in the manuscript. The paper aims to discuss these issues. Design/methodology/approach One experimental campaign was conducted with the aim to mechanically characterize concrete blocks masonry samples. Several experimental tests were carried out in full-scale masonry concrete wallets according to the constructive methodology used. Findings Based on the data obtained from the mechanical characterization tests of the concrete masonry blocks, it can be seen that under simple compression, the masonry specimens’ average resistance is about 6 times superior than the average resistance to diagonal shear/tension, while the stiffness is almost doubled. In simple compression tests, it was observed that the masonry specimens cracked in areas of higher drilling of the blocks. In the tensile tests by diagonal compression, it was found that the test specimens were mainly fissured by the block/mortar joint interfaces, following the delineation of settlement and top joints. Originality/value There are no experimental results available in the literature for this type of bricks that can contribute to the development of numerical studies.

Implante imediato e estética imediata em reabilitação de incisivo central superior fraturado – relato de caso

2021 ◽  
Vol 12 (47) ◽  
pp. 8-15
Author(s):  
Tárcio Hiroshi Iskimine Skiba
Keyword(s):  
Clinical Case ◽  
Bovine Bone ◽  
Central Incisor ◽  
Root Fracture ◽  
Maxillary Central Incisor ◽  
Connective Tissue Graft ◽  
Subepithelial Connective Tissue Graft ◽  
Aesthetic Aspect ◽  
The Aesthetic ◽  
Immediate Implantation

The use of dental implants in dentistry is becoming increasingly widespread and popular for the treatment of patients with doomed dental elements. The biotechnology applied to the development of macro and micro design of implants allows its use in increasingly borderline beds, such as in post-extraction sockets with reduced bone remainder, and may even allow the making of provisionals in order to confer aesthetics and help in maintenance of support tissues. This paper aims to present a clinical case report of minimally invasive extraction of a maxillary central incisor with root fracture, immediate implantation in a post-extraction socket, subepithelial connective tissue graft and lyophilized bovine bone to fill the GAP, as a pillar installation. angled and immediate provisional. The technique proved to be effective and satisfactory, I try in the aesthetic aspect as to the functional, promoting the health and stability of the adjacent tissues.

scholarly journals Energy efficient building envelope using waste PET in concrete

2020 ◽  
Vol 307 ◽  
pp. 01022
Author(s):  
Gitanjali Thakur ◽  
Mohamad Asalam ◽  
Mohammed El Ganaoui
Keyword(s):  
Thermal Conductivity ◽  
Energy Efficient ◽  
Chemical Resistance ◽  
Concrete Block ◽  
Building Envelope ◽  
Environmental Threat ◽  
Concrete Blocks ◽  
Global Threat ◽  
Partial Weight ◽  
Energy Efficient Building

One of the major environmental threat in the world today is the increased production of plastic and its usage. The inept plastic waste management system with regard to its recycling and energy recovery in the developing countries creates a global threat as a major land and water body pollutant. However, its durability, thermal properties, and chemical resistance make plastics an alternate choice as a building material. This study investigates the use of plastic in concrete mixture with an objective to improve the thermal performance of the building. The shredded plastic fibers from plastic bottles (polyethylene terephthalate, PET) were used as a partial weight replacement (2.5%, 5%, and 7.5%) of coarse aggregate in concrete blocks. The cubes were cast using the Indian standards (IS 456) and the essential tests were performed. Additionally, experiments were designed to investigate the change in the thermal conductivity of the concrete block due to the varying amount of plastic. It was found that the use of PETs affected the compressive strength and also decreased the thermal conductivity of the concrete blocks. The experimental results suggest that PETs can be used in the construction of energy-efficient building to handle the environmental concerns because of its abundance.

Performance Study on Masonries of Different Aerated Concrete Blocks

2014 ◽  
Vol 633 ◽  
pp. 299-302 ◽  
Author(s):  
Peng Fei Peng ◽  
Xian Ming Qin ◽  
Yu Sheng Wu
Keyword(s):  
Water Absorption ◽  
Natural Condition ◽  
Crack Width ◽  
Concrete Block ◽  
Performance Study ◽  
Shrinkage Cracking ◽  
Concrete Cracking ◽  
Concrete Masonry ◽  
Concrete Blocks ◽  
Aerated Concrete

The masonries with a square of 2m×3m of 3 different aerated concrete blocks were built respectively, and plastered with plastering mortar. The shrinkage-cracking property and other performances of different aerated concrete masonries were studied in natural condition. The results showed that, there were less cracks and smaller crack width in the masonry of aerated concrete with low water absorption, the condition of aerated concrete cracking can be improved by plastering with plastering mortar; the shrinkage of aerated concrete block masonry with low water absorption is smaller, the shrinkage of aerated concrete masonry plastered by special plastering mortar is smaller.

Thermo-Physical Behaviour and Mechanical Properties of Experimentally Enhanced Rubberised Concrete Block

2014 ◽  
Vol 925 ◽  
pp. 169-174
Author(s):  
Khalid B. Najim ◽  
Ibrahim A. Al-Jumaily
Keyword(s):  
Mechanical Properties ◽  
Thermal Conductivity ◽  
Heat Capacity ◽  
Concrete Block ◽  
Crumb Rubber ◽  
Concrete Wall ◽  
Normal Concrete ◽  
Physical Behaviour ◽  
Concrete Blocks ◽  
Rubber Concrete

The aim of the presented study is to investigate the thermo-physical behaviour and mechanical properties of mortar pre-coated crumb rubber concrete block. For this purpose, thermal conductivity, emissivity and effusively will be tested in addition to the specific heat capacity. Thereafter, dynamic calculator software will be used to study the behaviour of a wall that constructed using the suggested concrete block and a comparison with a normal concrete wall will be made. Compressive, splitting tensile and flexural strength were tested as well. The results show that concrete blocks which meet the requirement of strength can be produced with about 300 kg/m3 of crumb rubber aggregate.

The reflection of negative social phenomena in contemporary opera practice

Human Affairs ◽  
2013 ◽  
Vol 23 (1) ◽  
Author(s):  
Michaela Mojžišová
Keyword(s):  
Belief System ◽  
Moral Belief ◽  
Visual Interpretation ◽  
Social Phenomena ◽  
Aesthetic Aspect ◽  
Contemporary Opera ◽  
European Theatre ◽  
The Aesthetic ◽  
The Impact ◽  
Shed Light

AbstractThere are two approaches that dominate contemporary opera performances. The first may be characterised as producing a subtle, aesthetic and stylistic means of expression. The second runs up visual, interpretation and content means to their maximum expressivity and the audience is exposed to violence, sex and experience disgust. This paper analyses specific productions by renowned European theatre and opera directors, in order to shed light on the way in which opera directors cope with the threat of terrorism, sexual violence, and the impact of the mass media upon the moral belief system of modern man. Within the context of the bold productions of European theatre-makers Slovak opera theatre seems conservative, gravitating towards the aesthetic aspect of opera.

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