Judul: Perbandingan Metode Desain Terowongan Segmental Pada Kondisi Tanah Lunak (Studi Kasus: Proyek Tunneling di Jakarta).
Abstrak: Terowongan menjadi struktur bawah tanah yang banyak digunakan untuk memudahkan mobilitas kota metropolis. Metode desain empiris seperti continuum model oleh Miur Wood dan two‐rings beam‐spring model sering digunakan untuk analisis terowongan. Penelitian ini bertujuan membandingkan antara desain tunnel segmen dengan dua pendekatan yaitu continuum model oleh Muir Wood dan two-rings beam-spring model. Penelitian dilawali dengan studi Pustaka dan pengumpulan data, dilanjutkan dengan analisis kedua metode, membandingkannya, serta menganalisis metode yang optimum. Metode continuum model menunjukkan kondisi batas terbesar pada ULS-F 3. Metode two-rings beam-spring dengan konstanta pegas yang telah diiterasi menyerupai hasil monitoring memiliki gaya dalam terbesar sebesar -1.360,831 kN dan momen lentur sebesar 160,173 kNm untuk momen positif dan -156,520 kNm untuk momen negatif. Metode-metode yang digunakan masih didalam kurva P-Mn. Hasil analisis metode two-rings beam-spring lebih kecil dari metode continuum model dan mendekati kondisi sesungguhnya di lapangan., The tunnel became an underground structure that was widely used to facilitate the mobility of the metropolis. Empirical design methods such as the continuum model by Miur Wood and the two‐rings beam‐spring model are often used for tunnel analysis. This study aims to compare the tunnel segment design with two approaches, the continuum model by Muir Wood and the two-rings beam-spring model. The research begins with literature study and data collection, followed by analysis of both methods, comparing them, and analyzing the optimal methods. The continuum model method shows the greatest boundary condition in ULS-F 3. The two-rings beam-spring method with spring constant that has been adjusted to resemble the monitoring results has the largest inner force of -1.360,831 kN and the bending moment of 160.173 kNm for positive moments and -156.520 kNm for negative moments. The methods used are still in the P-Mn curve. The results of the analysis of the two-rings beam-spring method are smaller than the continuum model method and are close to the actual conditions.
Keyword: continuum model, interaction diagram, segmental tunnel, two-rings beam-spring

Judul: Analisis Daya Dukung dan Pemodelan Struktur Pondasi Bored Pile Bangunan Penghubung antar Gedung RSBA Jakarta Timur.
Abstrak: Modeling of a building can be shows by two dimension (2D), three dimension (3D), and four dimension (4D). Modeling proceses when planning or post construction purposed to get more detail information about the structures. Bored pile are used to support and transmitted the upper load to underlying a stronger soil layer. The structures must be design by safety factor that determined so that the structures are safe to cover the overload possibility. The study aims to analyze and modeling the bored pile foundation of connecting building. The methods are data collection, modeling, analysis upper and down structures, and showing the result. Software Tekla Structures and SAP2000 are merged to modeling and analysis. The study started at February to June 2015 in Jakarta and IPB Campus. Foundation, column, beam, slab and reinforced will modeling by Tekla Structures 17. Result of analysis shows that foundation calculated base on SPT data. Meanwhile, value of safety factor K4a and K4b columns are higher than SF standard (2,5). Settlement of group foundation is 11,97 mm, and still below of permitted settlement 80 mm.
Keyword: Analysis, Bored Pile, Foundation, Modeling

Judul: Kandungan Kolesterol dan Vitamin A Ayam Arab yang Diberi Jamu Ternak Melalui Air Minum
Abstrak: Egg as one source of protein needed by the body contains high amount of essential amino acids, however in reality there is a constraint factor in consuming the eggs which is the high level cholesterol in an egg. Nowadays the cholesterol content of eggs is feared by most of the public in relation to its effect. Excess cholesterol can cause health problems, but on the other hand the yolks contain vitamin A which is good for the body. This research was aimed to study the cholesterol and vitamin A content of Arab chicken egg yolks with addition of herbs through drinking water it is expected to reduce the cholesterol level and increase the amount of vitamin A in egg yolks. This experiment was conducted in poultry house in block C of Animal Science Faculty, Bogor Agricultural Institute, it lasted from June to August 2011. Chicken used in this study was 48 arab hens by age 19 weeks. Research procedures include the preparation of cages and equipment, maintenance and provisions of herbal medicine. The design used in this study was a completely randomized design (CRD). The content of cholesterol during 5 weeks of herbal medicine with level of 5 ml per head and 10 ml per head was 535.28 mg/100 g up to 563.51 mg/ 100 g. The addition of herbal medicine for 3 consecutive days (per week) are mixed in hens drinking. The level differences does not affect the content of cholesterol in egg yolk, but the existence of different herbal medicine addition level provides different amount of vitamin A. The content of vitamin A in egg yolks for a treatment P0 (without herbs) amounted to 596.787 μg/ 100 g, P1 (herbs 5 ml/head/day) : 700.034 μg/ 100 g and P2 (10 ml/head/day) : 800.962 μg/ 100 g.
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