Some Physical and Mechanical Properties of Laminated Timber (Glulam) Produced Using Different Types of Wood and Glue

Ramazan Bülbül; Musa Kaya; H.özgür İmirzi; Nihat Döngel

Makale detayları

Some Physical and Mechanical Properties of Laminated Timber (Glulam) Produced Using Different Types of Wood and Glue

Yazarlar:

Ramazan Bülbül | Musa Kaya | H.özgür İmirzi | Nihat Döngel

Yayıncı:

Bartin University

Ana Başlıklar:

Ahşap Fiziği ve Mekaniği

Dergi:

Bartın Orman Fakültesi Dergisi Vol.26 Issue 2, pp.58-68

Belge Tipi:

Makale

Yayın Tarihi:

4/2024

Belge Dili:

Türkçe

Document ID (Org No.):

2001314315

pISSN:

1302-0943

Anahtar kelimeler:

Özet:

 In the study, air-dry density values, static bending strength and elasticity modulus values in bending of laminated timbers produced using different combinations of oak and Scots pine wood on the outer layer and Scots pine and fir wood on the inner layer and polyvinyl acetate PVAc and polyurethane PUR glues, was examined with experimental methods. According to the results obtained, only the type of wood used in the outer layer has a significant effect on the air-dry density values of laminated timber; It was determined that the effect of the type of wood used in the inner layer was significant on the values of bending strength and modulus of elasticity in bending. According to the results of the experiments, laminated timber has the highest air-dry density value; It has been determined that the laminated timber, whose outer layer is made of oak wood and whose inner layer is made of fir wood and polyurethane glue, is 0.711 gcm³. Static bending strength; The highest value is 77.35 N Nmm² in laminated timber, whose outer layer is made of oak wood and whose inner layer is made of Scots pine wood and polyurethane glue; The highest value of elasticity modulus in bending was determined as 10550.78 Nmm² in laminated timber whose outer and inner layers were produced from Scots pine wood and polyvinyl acetate glue. According to all these findings obtained in the study, the combination of laminated timber that can be produced with the wood species and adhesive types examined; a combination of yellow pine in the outer layer, yellow pine or fir wood in the inner layer and polyurethane glue as adhesive can be recommended.

 In the study, air-dry density values, static bending strength and elasticity modulus values in bending of laminated timbers produced using different combinations of oak and Scots pine wood on the outer layer and Scots pine and fir wood on the inner layer and polyvinyl acetate PVAc and polyurethane PUR glues, was examined with experimental methods. According to the results obtained, only the type of wood used in the outer layer has a significant effect on the air-dry density values of laminated timber; It was determined that the effect of the type of wood used in the inner layer was significant on the values of bending strength and modulus of elasticity in bending. According to the results of the experiments, laminated timber has the highest air-dry density value; It has been determined that the laminated timber, whose outer layer is made of oak wood and whose inner layer is made of fir wood and polyurethane glue, is 0.711 gcm³. Static bending strength; The highest value is 77.35 N Nmm² in laminated timber, whose outer layer is made of oak wood and whose inner layer is made of Scots pine wood and polyurethane glue; The highest value of elasticity modulus in bending was determined as 10550.78 Nmm² in laminated timber whose outer and inner layers were produced from Scots pine wood and polyvinyl acetate glue. According to all these findings obtained in the study, the combination of laminated timber that can be produced with the wood species and adhesive types examined; a combination of yellow pine in the outer layer, yellow pine or fir wood in the inner layer and polyurethane glue as adhesive can be recommended.

 In the study, air-dry density values, static bending strength and elasticity modulus values in bending of laminated timbers produced using different combinations of oak and Scots pine wood on the outer layer and Scots pine and fir wood on the inner layer and polyvinyl acetate PVAc and polyurethane PUR glues, was examined with experimental methods. According to the results obtained, only the type of wood used in the outer layer has a significant effect on the air-dry density values of laminated timber; It was determined that the effect of the type of wood used in the inner layer was significant on the values of bending strength and modulus of elasticity in bending. According to the results of the experiments, laminated timber has the highest air-dry density value; It has been determined that the laminated timber, whose outer layer is made of oak wood and whose inner layer is made of fir wood and polyurethane glue, is 0.711 gcm³. Static bending strength; The highest value is 77.35 N Nmm² in laminated timber, whose outer layer is made of oak wood and whose inner layer is made of Scots pine wood and polyurethane glue; The highest value of elasticity modulus in bending was determined as 10550.78 Nmm² in laminated timber whose outer and inner layers were produced from Scots pine wood and polyvinyl acetate glue. According to all these findings obtained in the study, the combination of laminated timber that can be produced with the wood species and adhesive types examined; a combination of yellow pine in the outer layer, yellow pine or fir wood in the inner layer and polyurethane glue as adhesive can be recommended.

 Yapılan çalışmada, dış katmanı meşe ve sarıçam, iç katmanı ise sarıçam ve göknar odunlarından olan farklı kombinasyonlar ile polivinil asetat PVAc ve poliüretan PÜR tutkalları kullanılarak üretilen lamine kerestelerinin hava kurusu yoğunluk değerleri, statik eğilme direnci ve eğilmede elastikiyet modülü değerleri, deneysel yöntemlerle incelenmiştir. Elde edilen sonuçlara göre lamine kerestelerin hava kurusu yoğunluk değerlerine, sadece dış katmanda kullanılan odun türünün etkisinin anlamlı olduğu; eğilme dirençleri ve eğilmede elastikiyet modülü değerlerinde ise iç katmanda kullanılan odun türünün etkisinin anlamlı olduğu tespit edilmiştir. Yapılan deneylerin sonuçlarına göre lamine kerestelerin hava kurusu yoğunluk değeri en yüksek; dış katmanı meşe odunundan, iç katmanı ise göknar odunundan ve poliüretan tutkalı ile üretilen lamine kerestede 0.711 gcm³ olduğu tespit edilmiştir. Statik eğilme direnci; en yüksek, dış katmanı meşe odunu, iç katmanı ise sarıçam odunundan ve poliüretan tutkalı ile üretilen lamine kerestede 77.35 Nmm² olduğu; eğilmede elastikiyet modülü değeri ise en yüksek, dış ve iç katmanı sarıçam odunundan ve polivinil asetat tutkalı ile üretilen lamine kerestede 10550.78 Nmm² olarak tespit edilmiştir. Yapılan çalışmada elde edilen tüm bu bulgulara göre; incelemeye tabi tutulan odun türleri ve yapıştırıcı çeşitleri ile üretimi önerilebilecek lamine kereste kombinasyonu; dış katmanda sarıçam, iç katmanda ise sarıçam ya da göknar odunu ile yapıştırıcı olarak da poliüretan tutkalı şeklinde bir kombinasyon önerilebilir.

Makale detayları

Some Physical and Mechanical Properties of Laminated Timber (Glulam) Produced Using Different Types of Wood and Glue

Yazarlar:

Ramazan Bülbül | Musa Kaya | H.özgür İmirzi | Nihat Döngel

Yayıncı:

Bartin University

Ana Başlıklar:

Ahşap Fiziği ve Mekaniği

Dergi:

Bartın Orman Fakültesi Dergisi Vol.26 Issue 2, pp.58-68

Belge Tipi:

Makale

Yayın Tarihi:

4/2024

Belge Dili:

Türkçe

Document ID (Org No.):

2001314315

pISSN:

1302-0943

Laminated timber

glulam

bending strength

oak and firLamine kereste

eğilme direnci

glulam

meşe ve göknar

Sayı

Makale detayları

Yazarlar: Ramazan Bülbül | Musa Kaya | H.özgür İmirzi | Nihat Döngel

Yayıncı: Bartin University

Ana Başlıklar: Ahşap Fiziği ve Mekaniği

Dergi: Bartın Orman Fakültesi Dergisi Vol.26 Issue 2, pp.58-68

Belge Tipi: Makale

Yayın Tarihi: 4/2024

Belge Dili: Türkçe

Document ID (Org No.): 2001314315

pISSN: 1302-0943

Sayı

Yazarlar:

Ramazan Bülbül | Musa Kaya | H.özgür İmirzi | Nihat Döngel

Yayıncı:

Bartin University

Ana Başlıklar:

Ahşap Fiziği ve Mekaniği

Dergi:

Bartın Orman Fakültesi Dergisi Vol.26 Issue 2, pp.58-68

Belge Tipi:

Makale

Yayın Tarihi:

4/2024

Belge Dili:

Türkçe

Document ID (Org No.):

2001314315

pISSN:

1302-0943