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Jurnal Penelitian Hasil Hutan
Published by Pusat Penelitian dan Pengembangan Hasil Hutan
ISSN : 02164329     EISSN : 24428957     DOI : 10.20886/jphh
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology
Jurnal Penelitian Hasil Hutan adalah jurnal ilmiah nasional yang mempublikasikan tulisan yang telah dicermati oleh Dewan Redaksi dan Mitra Bestari di bidang hasil hutan. Tulisan dalam Jurnal Penelitian Hasil Hutan mencerminkan inovasi dan hasil penelitian dasar dan terapan yang berkualitas di bidang hasil hutan. Topik tulisan penelitian hasil hutan meliputi: 1. Anatomi bahan berlignoselulosa 2. Sifat fisik dan mekanik bahan berlignoselulosa 3. Teknologi serat bahan berlignoselulosa 4. Papan komposit bahan berlignoselulosa 5. Biodeteriorasi dan pengawetan bahan berlignoselulosa 6. Teknologi pengeringan hasil hutan 7. Penggergajian dan pemesinan kayu 8. Pengolahan hasil hutan kayu dan bukan kayu 9. Pengolahan kimia dan energi hasil hutan 10. Ilmu kayu dan teknologi hasil hutan Keteknikan hutan 12. Pemanenan hasil hutan kayu dan bukan kayu
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 12 Documents
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Search results for , issue "Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan" : 12 Documents clear
PENGAWETAN LIMA JENIS KAYU DENGAN KOPPERS FORMULA 7 MENURUT METODE PENCELUPAN Barly Barly; Pipin Permadi
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2879.661 KB) | DOI: 10.20886/jphh.1987.4.2.42-45

Abstract

Five timber species were treated  with Koppers Formula  7 using momentary   immersion  method.   The samples (5 cm x 5 cm x 100 cm)  were then introduced  into a diffusion chamber for  one, three, or jive  weeks. The depth of penetration  was measured after cutting the samples and result analyzed.  The conclusions are :The duration  of diffusion  has a highly significant  effect  on preservative penetration,   while the timber species did not have a significant  bearing in the penetration.   The rate of diffusion   is proporsional  to the treatment  time.Taking  the forgoing result into account,  the moisture  content  has no effect  on the depth  of penetration.The momentary   immersion  method  appeared  to have met  to the standar  requirement  for  all timber species tested  in this experiment.The result indicated that duration  in one week gives statisfactory  penetration  for  the mahoni,  manii and jeungjing  species.  The durian  and petai however,  could  only give statisfactory   results when  the duration  is longer than  three  weeks
PERILAKU PENGGEREKAN DAN PERKEMBANGBIAKAN KUMBANG AMBROSIA PLATYPUS TREPANATUS PADA DOLOK RAMIN P Sukartana
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5374.295 KB) | DOI: 10.20886/jphh.1987.4.2.30-35

Abstract

The tunneling and breeding habits of ambrosia beetle Platypus trepanatus  Chapman  (Coleoptera: Platypodidae)  were studied  in the field for 26 days after  initial burrowing.The tunneling  is initiated  by the male beetle, commenced  hours after  the ramin tree (Gonystylus  bancanus  Kurz.)  is felled.  As the beetle tunnel about twice its body length,  the burrowing is stopped,  and the beetle, then, remains inside near the entrance hole to entice  the female  beetle for  joining.After arriving, the female  beetle takes over the tunneling extension.  The male, on the other hand, occupies the initial tunnel, builds a circular fibrous  plait  ringed at the entrance hole, and cleans the tunnel  by ejecting frass outside. An established  tunnel  is determined  by  the ejection  of coarse frass  first  and  the fine  other then.  A successful  tunneling  (broods)  seems  to be attributable  to the parent  beetles care.The beetle tends to burrow  the log across the grain.  The first tunneling  is radially, but by the day about  12, it has significantly  curved.  The speed of tunneling  is approximately  4.47 mm  while the depth  of its penetration   is about  2.56  mm per  day.The oviposition  is firstly  recorded between  the day 2-8 at the length of tunnel 9-25 mm. The egg stadium  is about  two weeks.  No pupation was shown  during  these 26 day studies.Statistical  computations   reflect  that the tunneling  and oviposition  were still continued  after  these observations
PRODUKTIVITAS TENAGA KERJA PADA BEBERAPA KILANG KAYU LAPIS DI SUMATERA Akub J Abdurachman; Sylviani Sylviani
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.60-65

Abstract

Plywood production can be increased by improving factory quality, work organization system, processing method, and by increasing the skill of the operators and other activities supporting labour productivity.Previous works indicated that low productivity of labour in plywood mill in Indonesia was mainly due to the low levels of education, skill and experiences of operators. This study is intended to obtain accurate data concerning this problem.The survey was conducted in several plywood industries in Sumatera in 1985 and revealed the following results:Average actual production of plywood mills is lower than the design production capacity.  The average ratio of actual production capacity is as low as 0.422.The productivity of employees varies between mills, especially for Managers. Managers productivity ranges from 45.2 to 242 cum/man/month (standard error 93.5 cum/man/month); administrative staff productivity 14.1-38.2 cum/man/month (standard error 9,6 cum/man/month);and operators:1.7-5.9 cum/man/month  (standard error 1.5 cum/man/month).Waging system in term of payment (monthly or others) and the amount of salary does not effect the productivity levels.
SIFAT PAPAN BLOK DENGAN INTI LIMBAH EKSPLOITASI HUTAN LAMPUNG Suwandi Kliwon; M I Iskandar; Paribotro Sutigno
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.16-20

Abstract

Blockboards   of six wood species of  logging  waste from  Lampung as core strip material were manufactured in the laboratory, and  their physical  and mechanical properties were tested.The average value of  moisture  content, board density  and strip  density  were 10.09%, 0.63  g/cm3  and 0.49  g/cm3, respectively.  Bending strength parallel to the grain varied between  690.47 kg/cm2  (red meranti)  and 1041.99 kg/cm2 (keruing).  The bending strength  perpendicular   to the grain varied between 112.40 kglcm2 (Bima) and 319.90 kg/cm2 (Pulai), and bending strength parallel to the grain were significantly affected by wood species, but bending strength  perpendicular to the grain  were not. 
EMISI GAS FORMALDEHIDA PAPAN PARTIKEL DARI BEBERAPA JENIS KAYU Rozak Memed
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.27-29

Abstract

The result of determination of formaldehyde emission from particleboard samples glued  with urea formaldehyde and mixture  of UF and MF resin is reported in this paper. The particleboard  samples were selected from two different factories  in addition  to  those prepared  in the laboratory  at the center.The  values of formaldehyde emission  of particleboard  prepared  in the laboratory  are between 6.154 ppm (Jeungjing)  and  18.720 ppm (meranti kuning), from  factory  A between  0.295  ppm-7.710 ppm;  while from  factory  B between  13.246 ppm-23.691 ppm.  Board samples from factory A glued with mixture of  UF and MF  resins.  on the other  hand,  show an average emission  value of  0.295 ppm.
SIFAT VENIR DAN KAYU LAPIS 7 JENIS KAYU DARI MALUKU M I Iskandar; Suwandi Kliwon; Paribotro Sutigno
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.36-41

Abstract

 The characteristics studied  are peeling properties,  physical  properties  of  the veneer, gluing properties  and some physical  and  mechanical properties  of  the plywood   (both  triplex and multiplex).All logs from the 7 wood species could be peeled satisfactorily  in cold condition.   Veneer of  0.9 mm and 1.5  mm thickness  could be produced at a cutting  angle between  91°-93°.Average shrinkage  of  the veneer is 7%.  Average swelling from oven dry condition  is 3%.Water resistant,  bonding  strength  for all wood  species studied  meet Indonesian,   Japanese  and German standards. Average thickness reduction due to pressing in the plywood   manufacturing  process  is 0.15 mm.Specific  gravity  of  the plywood   is about  6 percent  higher than that  of  the wood from   which it is made  of
Lapisan Perkerasan Komposit Batu Pecah pada Kontruksi Jalan Hutan Rahardjo Rahardjo; S Suparto; S Sutopo
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.50-55

Abstract

The use of pavement in Indonesian forest road construction at present is not common practice. Paving of logging roads is still considered too expensive, especially when its construction is not rational and effective. Information on pavement design especially with regard to its composition should help forest companies in solving their forest road construction problems.This investigation looks into the problem of finding the proper composition of crushed gravel and sand or rock dust for the construction of pavements. This kind of pavement is thought to have high shearing strength, stability and density.A series of laboratory test were conducted for this purpose, employing factorial analysis .A performance test in the field was conducted to compare with the Telford system using paired samples.The investigations revealed the following:- Crushed rock had significant influence on the shearing strength of the pavement. This material mixed with rock dust showed significant interaction.- Rock dust itself and water did not have significant effect on the shearing strength of pavement.- The use of water may help  facilitate the compaction process guiding the filler material into the voids among the crushed rock particles.- The proper composition turned out to be three units of crushed rock and two units of rock dust, resulting in a shearing strength of 0,226 kg/cm2.- Crushed rock composite made better pavement than the Telford system, resulting in lower settling of subgrade.- Based on the above, it is recommended to use a mixture of 2-3size crushed rock and rock dust in the proportion of 3 : 2 for pavement of forest roads, using smooth drum roller to obtain proper compaction.
KOMUNITAS RAYAP TANAH DI SEPULUH LOKASI DI DKI JAKARTA Ginuk Sumarni; Agus lsmanto
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.21-26

Abstract

Subterranean  termites  are important  insects which attack structural   timber.  Six species have been found at ten locations of the Jakarta Metropolitan: Microtermes insperatus, M. incertoides, Odontotermes  javanicus, Macrotermes gilvus, Schedorhinotermes javanicus, and Coptotermes  curvignathus. Various termite species prevail in two of the locations (P. Rebo and P. Minggu). M. insperatus was found to be the largest population in every location. Cempaka  Putih  was the lowest in similarity  and diversity  indexes of the termite  species. The same  termite species  was found in Kramat  Jati and Kebayoran Baru. No subterranean  termites  were found in Cilincing, Tanjung  Priok, and Kemayoran
PEMILAHAN JENIS KAYU KAPUR SINTOK (DRYOBALANOPS OOCARPA V. SI.) DARI JENIS-JENIS KAYU KAPUR LAINNYA Y I Mandang
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.56-59

Abstract

Kapur sintok  (Dryobalanops oocarpa  V. SI.) is the lightest and also the lowest in durability  among  the nine wood species of kapur.  It is there fore  necessary to separate  this wood species from   the other members,  but  it is difficult   to separate  based  on anatomical  characters.   A chemical spot  test proved  to be simple  and applicable. Kapur  sintok  responded  negatively  to the aplication  of 5 percent of ferric ammonium sulphate  while the other eight species responded positively.
PENGARUH SALINITAS TERHADAP SERANGAN PENGGEREK KAYU DI LAUT PADA BEBERAPA JENIS KAYU Mohammad Muslich; Ginuk Sumarni
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.46-49

Abstract

Marine  borers are wood destroying  organisms  living in the sea, brackish  and estuarine  water. Environmental   conditions  such as salinity, pollution  and temperature  of  the sea water influence  the activities  and precence  of  marine  borers.One hundred pieces of wood from  five  species had been exposed  to marine borers in four  different  salinities for  nine months. The test sites chosen were around  Gulf  of Jakarta  i.e.  about 3 km off  shore, and at three  locations  along  a canal of  brackish fishpond,  respectively  in the estuary,  1  km  and 2 km from the shore.The result shows that at the sea site where the salinity  is relatively stable around 29 ‰ – 30‰ ,  all of the wood tested are badly attacked  by Mollusc  belonging  to the species of Martesia  striata  Linne.,  Dicyathifer  manni  Wright.,  and  Bankia  campanellata  Moll/Roch.    Along  the canal where the salinity is between 5‰-30‰, damage is only small.  The result also shows no sign of attack on all samples exposed  along the canals, although  the salinity is not significantly  different  from that of  the estuary.

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