CONTENT

I Building Materials
 
7
 
Olga Finoženok, Ramunė Žurauskienė, Rimvydas Žurauskas
THE INFLUENCE OF VARIOUS SIZE CRUSHED CONCRETE WASTE
7
Viktors Mironovs, Jānis Broņka, Aleksandrs Korjakins, Jānis Kazjanovs.
IRON CONTAINING WASTE MATERIALS AND POSSIBILITIES OF THEIR APPLICATION IN MANUFACTURING THE HEAVY CONCRETE
14
Andina Sprince, Leonīds Pakrastiņš, Aleksandrs Korjakins.
EXPERIMENTAL STUDY CREEP OF NEW CONCRETE MIXTURES
20
Diāna Bajāre, Aleksandrs Korjakins, Jānis Kazjonovs
APPLICATION OF ALUMINIUM DROSS AND GLASS WASTE FOR THE PRODUCTION OF EXPANDED CLAY AGGREGATE
27
Raitis Brencis, Juris Skujāns, Uldis Iljins, Ilmārs Preikšs
RESEARCH OF HEMP’S FIBROUS REINFORCEMENT EFFECT TO BENDING STRENGHT AND SOUND ABSORPTION OF FOAM GYPSUM
32
Jānis Justs, Diāna Bajāre, Genādijs Šahmenko, Aleksandrs Korjakins
ULTRA HIGH PERFOMANCE CONCRETE HARDENING UNDER PRESSURE
38
Raimondas Sadzevicius, Feliksas Mikuckis, Dainius Ramukevicius
DEFECTS’ ANALYSIS OF REINFORCED CONCRETE SLABS FOR EARTH DAM SLOPE PROTECTION
44
Diāna Bajāre, Jānis Justs, Ģirts Baumanis
OBTAINING COMPOSITION OF GEOPOLYMERS FROM LOCAL INDUSTRIAL WASTES
50
Mārtiņš Zaumanis, Juris Smirnovs
ANALYSIS OF THE POSSIBILITIES FOR THE USE OF WARM MIX ASPHALT IN LATVIA
57
Vincas Gurskis, Karolis Bunevicius, Rytis Skominas
RESEARCH OF THE TRADITIONAL AND NONTRADITIONAL ADMIXTURES ON MORTAR AND CONCRETE
65
Pēteris Šķēls, Edmunds Šķēle, Kaspars Bondars, Thomas Ingeman-Nielsen, Anders Stuhr Jørgensen
QUICKLIME (CaO) STABILIZATION OF FINE-GRAINED MARINE SEDIMENTS IN LOW TEMPERATURE AREAS
71
Ilmārs Preikšs, Juris Skujāns, Uldis Iljins
POSSIBILITIES OF SILICA AEROGEL USEFULNESS FOR FOAM GYPSUM COMPOSITIONS
78
Māris Strozs, Genādijs Šahmenko
THE USE OF STRAW-CLAY MATERIAL IN WALLS
84
Regino Kask, Harri Lille, Kristjan Siim, Peeter Paabo, Kuldar Sillaste
STUDY OF PHYSICAL AND MECHANICAL PROPERTIES OF ORIENTED STRAND BOARD DEPENDING ON MOISTURE CONTENT
91
Viktors Mironovs, Mihails Lisicins, Genādijs Šahmenko, Lāsma Kaļva
ANALYSIS OF APPLICATION OF PERFORATED STEEL BAND IN BUILDING CONSTRUCTION
95

II Materials and Structures
103

Jānis Brauns, Kārlis Rocens
TOPOLOGY OPTIMIZATION OF MULTI-LAYERED COMPOSITE STRUCTURES
103
Ulvis Skadiņš, Jānis Brauns
MODELING OF FIBRE BRIDGING BEHAVIOUR IN SFRC
109
Kauni Kiviste, Alexander Ryabchikov, Harri Lille
DETERMINATION OF SHRINKAGE OF FIBRE REINFORCED CONCRETE
113
R. Tepfers, G.O. Sjöström, J. I. Svensson
DEVELOPMENT OF METHOD FOR MEASURING DESTRUCTION ENERGY AND GENERATED HEAT AT FATIGUE OF CONCRETE
117
Sanita Ziķe, Kaspars Kalniņš
ENHANCED IMPACT PROPERTIES OF PLYWOOD LAMINATES
125
Jānis Šliseris, Kārlis Rocens
INFLUANCE OF TECHNOLOGICAL AND STRUCTURE PROPETIES ON  SHAPE OF ASYMMETRIC PLYWOOD SHEET
131
Marko Teder, Kalle Pilt, Matis Miljan, Martti Lainurm, Ragnar Kruuda
OVERVIEW OF SOME NON-DESTRUCTIVE METHODS FOR IN SITU ASSESSMENT OF STRUCTURAL TIMBER
137
Līga Gaile, Ivars Radiņš
TIME DEPENDING SERVICE LOAD INFLUENCE ON STEEL TOWER VIBRATIONS
144
Andris Šteinerts, Leonīds Pakrastiņš, Līga Gaile
IMPLEMENTATION OF EUROCODE STANDARDS IN LATVIA
150
Wei Lu, Pentti Mäkeläinen, Jyri Outinen
BEHAVIOUR OF COLD-FORMED Z-SHAPED STEEL PURLIN AT ELEVATED TEMPERATURES
154
Edgars Labans, Kaspars Kalniņš
NUMERICAL VERSUS EXPERIMENTAL INVESTIGATION OF PLYWOOD SANDWICH PANELS WITH CORRUGATED CORE
159
Artis Dandens, Jānis Kreilis, Guntis Andersons
PROPERTIES OF COLD-FORMED STEEL SECTIONS
166

III Landscape and Environment
171

Peter Kurz
“CLIMATE-ENERGY-AND CULTURAL LANDSCAPE MODEL SAUWALD DONAUTAL” INTRODUCING A PILOT PROJECT ON INTEGRATED REGIONAL RESOURCE MANAGEMENT BASED ON A NEW BIOGAS TECHNOLOGY
171
Aija Ziemeļniece
THE PRESERVATIONS PROBLEMS OF CULTURAL HISTORICAL HERITAGE AND LANDSCAPE IN LATVIA
178
Natālija Ņitavska, Daiga Zigmunde, Raimonda Lineja
THE FORMING ELEMENTS OF THE BALTIC SEA COASTAL LANDSCAPE IDENTITY FROM THE TOWN OF AINAŽI TO THE ESTUARY OF THE RIVER SALACA
182
Una Īle
DEVELOPMENT TENDENCIES OF LANDSCAPE COMPOSITION IN  THE URBAN RESIDENTIAL AREAS OF LATVIA
193
Maija Jankevica
THE POSSIBILITIES OF UNIFIED LANDSCAPE DEVELOPMENT IN TRANSNATIONAL BORDERLAND. VALKA-VALGA EXAMPLE
202

IV Engineering of Environmental Energy
209

Leonīds Ribickis, Ansis Avotiņš
ANALYSIS OF GHG REDUCTION POSSIBILITIES IN LATVIA BY IMPLEMENTING LED STREET LIGHTING TECHNOLOGIES
209
Uldis Iljins, Uldis Gross, Juris Skujāns
PECULIARITIES OF HEAT FLOWS OF INSULATION CONSTRUCTIONS IN BUILDINGS WITH COLD UNDERGROUND
215
Sandris Liepiņš, Silvija Štrausa, Uldis Iljins, Uldis Gross
THERMAL ANALYSIS OF OVERGROUND BOUND CONSTRUCTIONS
221
Ēriks Krūmiņš, Arturs Lešinskis, Ilze Dimdiņa
HEAT ENERGY CONSUMPTION IN NOT RENOVATED BUILDINGS AND IN BUILDINGS AFTER A PARTIAL RENOVATION
227
Ilze Dimdiņa, Arturs Lešinskis, Ēriks Krūmiņš, Vilis Krūmiņš, Laimdota Šnīdere
INDOOR AIR QUALITY AND ENERGY EFFICIENCY IN MULTI-APARTMENT BUILDINGS BEFOR AND AFTER RENOVATION: A CASE STUDY OF TWO BUILDINGS IN RIGA
236
Gaļina Stankeviča
INDOOR AIR QUALITY AND THERMAL COMFORT EVALUATION IN LATVIAN DAYCARE CENTERS WITH CARBON DIOXIDE, TEMPERATURE AND  HUMIDITY AS INDICATORS
242

V Environmental Engineering
247

Zydrunas Vycius, Tatjana Sankauskiene, Petras Milius
ANTI-SEEPAGE MEANS FOR THE PROTECTIVE EMBANKMENT OF THE KARIOTIŠKĖS SEWAGE SLUDGE DUMP
247
Meeli Kams
THE THERMAL CONDUCTIVITY OF THATCHED (REED) ROOF INSULATED WITH SAW DUST IN DWELLING HOUSE
253
Sandra Gusta
BUILDING AS A LONG-TERM ENVIRONMENTAL DEVELOPMENT AND PRESERVATION CONDITION
256
Ēriks Tilgalis, Linda Grīnberga
THE ENERGY – EFFICIENT WASTEWATER TREATMENT TECHNOLOGIES IN CONSTRUCTED WETLANDS
263
Reinis Ziemeļnieks, Ēriks Tilgalis
CALCULATION METHOD OF RAINWATER DISCHARGE
267