Volume 10 No. 1, Januari 2010
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Recent Submissions
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THE CHARACTERISTIC OF NON SAND CONCRETE BRICK BY ROOF-TILE-FRACTION AS CARSE AGGREGATE (Study foccused to : quality, shape, and production cost)
(lppmums, 2010-01)Nowdays, the number of resident building and public facilities project is increasing rapidly. So, the demand of building materials is increasing too. One of building materials is brick. Then, there are some efforts to find ... -
PRECISION RANGE IN SALT INTRUSION FORECASTING RESULT OF THE ESTUARY OF BENGAWAN SOLO USING ADAPTIVE NEURO FUZZY INFERENCE SYSTEM MODEL APPROACH
(lppmums, 2010-01)Scientists have conducted many researches and developed models of salt intrusion due to tidal influence which collide with discharge of the river upstream. Most of developed models for forecasting the salt intrusion were ... -
CONTRIBUTION OF LONGITUDINAL STIFFENER TO THE STRENGTH AND STIFFNESS OF COLD FORMED STEEL BEAM C-SECTION
(lppmums, 2010-01)The shear center of cold formed steel beam C-section is not at the same point as that of its centre of gravity. Therefore, applying bending load on this section will technically produce torque along them. In order to reduce ... -
THE EFFECT OF LATEX POLYMER ADDITIVE IN STRENGHT OF CLAY FOLLOWING ONE-DAY CURING TIME
(lppmums, 2010-01)Some roadways in Indonesia were constructed over expansive clay. The bearing capacity of this clay is very much influenced by water content. It will weaken in saturated condition but will be stronger in dry condition; it ... -
INFLUENCE OF SERVICE FACTOR IN MODA CHOICE BETWEEN RIVER MODA AND LAND MODA IN BANJARMASIN
(lppmums, 2010-01)Besides road transportation, public transport in Banjarmasin is served by river transportation such as kelotok and raft. Along with time, public choice to use river public transport tends to decline because supporting ... -
METHOD OF CALCULATIONS FOR THE DEFLECTIONS, MOMENTS AND SHEARS ON CAKAR AYAM SYSTEM TO DESIGN CONCRETE ROAD PAVEMENTS
(lppmums, 2010-01)For road pavements, a Modified Cakar Ayam System that consists of thin concrete slab supported by rows of short pipes is appropriate to be constructed on difficult subgrade, such as soft soil and expansive soil. Until now, ... -
THE INFLUENCE OF SUPERFICIAL VELOCITY AND BUBBLE HOLD-UP IN A VERTICAL AERATOR COLUMN TO THE OXYGEN TRANSFER COEFFICIENT
(lppmums, 2010-01)To optimize aeration process in a waste water treatment aeration tank, numerical model analyses can be utilized. However, it is necessary to understand the dynamics of air bubble flow within the aeration tank and the oxygen ... -
A STUDY ON THE HYDRAULIC JUMP CHARACTERISTICS ON THE ISLAND SURFACE
(lppmums, 2010-01)River restoration projects are being implemented in several developed countries and artificial islands are normally constructed as eco-hydraulic components of river ecosystem. Those artificial islands with non cemented ... -
INFLUENCE OF DISCONTINUITIES ON THE BEHAVIOUR OF PARTIALLY SATURATED COMPACTED CLAY
(lppmums, 2010-01)The partially saturated soil behaviour is quite different from those of fully saturated soil because of the presence of matric suction pressure. Although soils are generally assumed fully saturated below the groundwater ... -
LABORATORY STIFFNESS CHARACTERIZATION OF FOAMED COLD-MIX ASPHALT USING INDIRECT TENSILE STIFFNESS MODULUS TEST
(lppmums, 2010-01)The use of foamed cold-mix asphalt (FCMA) can potentially saves energy and fuel consumption and reduces greenhouse gas emission. For these reasons, FCMA has been gaining popularity worldwide. These benefits can be realized ... -
ON THE EXTREME POSITION OF PROPAGATION OF BICHROMATIC WAVE IN HYDRODYNAMIC LABORATORY
(lppmums, 2010-01)This paper concerns with the down-stream propagation of waves over initially still water. Such study is relevant to generate waves of large amplitude in wave tanks of a hydrodynamic laboratory. Input in the form of a time ... -
The Characteristic of Critical Flow on Sluice Gate
(lppmums, 2010-01)The objective of this research is to analyse and to determine based on experiment relation among outlet depth of sluice gate, a, downstream, h2 and upstream depths, h1 as well as to determine the length of eddy phenomenon, ... -
THE PREDICTION OF LONG -TERM SHRINKAGE OF LIGHTWEIGHT CONCRETE CONSIDERED TO MAGNITUDE OF SHORT - TERM SHRINKAGE
(lppmums, 2010-01)The magnitude of long-term shrinkage of lightweight concrete has to be considered in the design of lightweight concrete structure. This research is intended to develop a model for predicting the maginitude of long-term ... -
THE NEED OF EVALUATION AND ESTABLISHING PRICE OF REGULAR BUS SURAKARTA-YOYAKARTA
(lppmums, 2010-01)Surakarta is the trading city, While Yogyakarta is students and culture city. One of the supporting factors for smoothing the relation of both cities is through public tranportation bus Surakarta-Yogyakarta. Nowadays, It ... -
RISK MANAGEMENT OPERATIONAL IN READYMIX CONCRETE INDUSTRY
(lppmums, 2010-01)Construction project recently is become more complex that cause a sufficient strategy, which is named risk management. Risk management is an application of general management which related by some activities that can cause ...
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