Pyramid Engineering Consultancy and Construction Pvt.Ltd.

Pyramid Engineering Consultancy and Construction Pvt.Ltd. We provide a wide range of engineering solutions that cover both design and construction services.

Our skills extend across multiple engineering areas, such as buildings, bridges, highways, water resources projects, and real estate development.

28/05/2026

Cornice and Painting Works.

𝗖𝗮𝗻𝘁𝗶𝗹𝗲𝘃𝗲𝗿 𝗦𝘁𝗮𝗶𝗿𝗰𝗮𝘀𝗲 𝘃𝘀 𝗟𝗼𝗮𝗱 𝗕𝗲𝗮𝗿𝗶𝗻𝗴 𝗕𝗿𝗶𝗰𝗸 𝗠𝗮𝘀𝗼𝗻𝗿𝘆 𝗦𝘁𝗮𝗶𝗿𝗰𝗮𝘀𝗲.𝐂𝐚𝐧𝐭𝐢𝐥𝐞𝐯𝐞𝐫 𝐒𝐭𝐚𝐢𝐫𝐜𝐚𝐬𝐞 𝐢𝐬 𝐏𝐫𝐞𝐟𝐞𝐫𝐫𝐞𝐝 𝐢𝐧 𝐧𝐞𝐰𝐥𝐲 𝐟𝐢𝐥𝐥𝐞𝐝 𝐬𝐨𝐢𝐥 𝐬𝐢𝐭𝐞...
26/05/2026

𝗖𝗮𝗻𝘁𝗶𝗹𝗲𝘃𝗲𝗿 𝗦𝘁𝗮𝗶𝗿𝗰𝗮𝘀𝗲 𝘃𝘀 𝗟𝗼𝗮𝗱 𝗕𝗲𝗮𝗿𝗶𝗻𝗴 𝗕𝗿𝗶𝗰𝗸 𝗠𝗮𝘀𝗼𝗻𝗿𝘆 𝗦𝘁𝗮𝗶𝗿𝗰𝗮𝘀𝗲.

𝐂𝐚𝐧𝐭𝐢𝐥𝐞𝐯𝐞𝐫 𝐒𝐭𝐚𝐢𝐫𝐜𝐚𝐬𝐞 𝐢𝐬 𝐏𝐫𝐞𝐟𝐞𝐫𝐫𝐞𝐝 𝐢𝐧 𝐧𝐞𝐰𝐥𝐲 𝐟𝐢𝐥𝐥𝐞𝐝 𝐬𝐨𝐢𝐥 𝐬𝐢𝐭𝐞𝐬 𝐩𝐫𝐨𝐧𝐞 𝐭𝐨 𝐬𝐞𝐭𝐭𝐥𝐞𝐦𝐞𝐧𝐭 𝐟𝐨𝐫 𝐭𝐡𝐞𝐬𝐞 𝐤𝐞𝐲 𝐫𝐞𝐚𝐬𝐨𝐧𝐬:

𝗠𝗮𝗶𝗻 𝗔𝗱𝘃𝗮𝗻𝘁𝗮𝗴𝗲𝘀:
𝐌𝐢𝐧𝐢𝐦𝐚𝐥 𝐝𝐞𝐩𝐞𝐧𝐝𝐞𝐧𝐜𝐞 𝐨𝐧 𝐥𝐨𝐜𝐚𝐥 𝐬𝐨𝐢𝐥: Cantilever stairs (RCC) are anchored into the main building’s structural frame (wall/beam/column). Load transfers to the building’s deeper, stable foundations rather than relying on separate foundations in unstable fill.

𝐁𝐞𝐭𝐭𝐞𝐫 𝐡𝐚𝐧𝐝𝐥𝐞𝐬 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭𝐢𝐚𝐥 𝐬𝐞𝐭𝐭𝐥𝐞𝐦𝐞𝐧𝐭: RCC is strong in tension & bending. It can tolerate minor movements without major cracking, unlike rigid brick masonry.

𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐜𝐫𝐚𝐜𝐤𝐢𝐧𝐠 𝐫𝐢𝐬𝐤: Brick load-bearing staircases are heavy and brittle. Uneven settlement causes stair-step cracks, distortion, and potential failure.

𝐒𝐮𝐦𝐦𝐚𝐫𝐲:
In settlement-prone filled soil, RCC cantilever stairs are more durable, require less foundation work in the fill, and integrate better with the main structure. Brick masonry stairs are risky due to their rigidity and direct soil support.

Always get a structural engineer’s design based on site/soil condition.

𝗖𝗲𝗺𝗲𝗻𝘁 𝗦𝗹𝘂𝗿𝗿𝘆 𝗣𝘂𝗻𝗻𝗶𝗻𝗴 𝘃𝘀 𝗙𝘂𝗹𝗹 𝗣𝗮𝗶𝗻𝘁𝗶𝗻𝗴 𝗪𝗼𝗿𝗸 (𝗕𝗮𝗰𝗸 𝗙𝗮𝗰𝗮𝗱𝗲)𝟏. 𝐂𝐞𝐦𝐞𝐧𝐭 𝐒𝐥𝐮𝐫𝐫𝐲 𝐏𝐮𝐧𝐧𝐢𝐧𝐠This method involves applying a cement-...
26/05/2026

𝗖𝗲𝗺𝗲𝗻𝘁 𝗦𝗹𝘂𝗿𝗿𝘆 𝗣𝘂𝗻𝗻𝗶𝗻𝗴 𝘃𝘀 𝗙𝘂𝗹𝗹 𝗣𝗮𝗶𝗻𝘁𝗶𝗻𝗴 𝗪𝗼𝗿𝗸 (𝗕𝗮𝗰𝗸 𝗙𝗮𝗰𝗮𝗱𝗲)

𝟏. 𝐂𝐞𝐦𝐞𝐧𝐭 𝐒𝐥𝐮𝐫𝐫𝐲 𝐏𝐮𝐧𝐧𝐢𝐧𝐠

This method involves applying a cement-based slurry coating with or without groove/punning patterns over the plastered wall surface.

𝐀𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞𝐬
◽️More economical compared to full exterior painting
◽️Gives a raw, modern, and textured architectural appearance
◽️Better surface hardness and durability against minor impacts
◽️Requires less frequent repainting/maintenance
◽️Groove patterns create shadow effects and enhance elevation aesthetics

𝐃𝐢𝐬𝐚𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞𝐬
◽️Limited color and finishing options
◽️Surface may develop hairline cracks over time if curing is poor
◽️Can absorb dirt/algae faster in damp areas
◽️Final finish may look less refined than premium paint systems

𝟐. 𝐄𝐱𝐭𝐞𝐫𝐢𝐨𝐫 𝐏𝐚𝐢𝐧𝐭𝐢𝐧𝐠 𝐖𝐨𝐫𝐤

This involves putty/primer and weather-resistant exterior paint over the plastered surface.

𝐀𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞𝐬
◽️Cleaner, smoother, and more premium visual finish
◽️Wide range of colors and textures available
◽️Better aesthetic flexibility for modern façade design
◽️Weatherproof paints help resist moisture and UV damage
◽️Easier to refresh appearance through repainting

𝐃𝐢𝐬𝐚𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞𝐬
◽️Higher long-term maintenance cost
◽️Paint fading/peeling can occur after years of exposure
◽️Requires proper surface preparation and periodic repainting
◽️More expensive than basic cement slurry finish

𝐖𝐡𝐢𝐜𝐡 𝐢𝐬 𝐁𝐞𝐭𝐭𝐞𝐫 𝐟𝐨𝐫 𝐁𝐚𝐜𝐤 𝐅𝐚𝐜𝐚𝐝𝐞?
If the back facade is less visible and budget efficiency is important → cement slurry punning is practical and durable.

If you want a more refined, luxurious, and uniform exterior appearance → exterior painting gives a superior finish.

Many modern projects combine both: textured cement punning for architectural character and paint coating for protection and aesthetics.

Note: It is preferable to use a shallow-depth groove punning pattern, as it helps minimize the visibility and continuous propagation of hairline cracks from one panel/box to another.

A beautifully designed open-to-sky outdoor sitting area with pergola-style projections enhances the front elevation. The...
26/05/2026

A beautifully designed open-to-sky outdoor sitting area with pergola-style projections enhances the front elevation. The open terrace and elegant arched opening add a timeless architectural charm.

Exterior finishing and painting works are still in progress, while the overall design already reflects a minimalistic and symmetrical appearance.

𝗖𝗢𝗟𝗨𝗠𝗡 𝗪𝗘𝗔𝗞? 𝗪𝗛𝗔𝗧 𝗛𝗔𝗣𝗣𝗘𝗡𝗦?BUILDING को Structural System मा COLUMN सबैभन्दा महत्वपूर्ण Vertical Load - Carrying Element ह...
25/05/2026

𝗖𝗢𝗟𝗨𝗠𝗡 𝗪𝗘𝗔𝗞? 𝗪𝗛𝗔𝗧 𝗛𝗔𝗣𝗣𝗘𝗡𝗦?

BUILDING को Structural System मा COLUMN सबैभन्दा महत्वपूर्ण Vertical Load - Carrying Element हो! 🏗️

भवनमा कलम ले माथिल्लो तलाबाट आउने load मात्र होइन, earthquake को समयमा आउने lateral forces (sideways shaking) पनि resist गर्छ। Column कमजोर भयो भने पूरा structure नै असुरक्षित बन्न सक्छ।

𝗖𝗼𝗹𝘂𝗺𝗻 कमजोर हुँदा के हुन्छ?
High risk of structural collapse - Column नै मुख्य support हो, failure भए माथिका beam र slab सहित पूरा floor system collapse हुन सक्छ।

Soft-storey failure - Ground floor (parking/shop) खुला राख्ने, माथि walls धेरै राख्ने तर तलका columns कमजोर भए weak point बन्छ। Earthquake मा यो floor ले lateral load थेग्न सक्दैन।

Weak story mechanism (Pancake collapse) - एउटा floor fail भएपछि माथिका सबै floors एकैचोटि तल झर्ने खतरा।
Excessive deformation, severe cracking, permanent tilting र beam-column joint damage।

𝗕𝗲𝗮𝗺 भन्दा 𝗖𝗼𝗹𝘂𝗺𝗻 कमजोर हुनु किन खतरनाक?
Load path यस्तो छ:
𝗦𝗹𝗮𝗯 → 𝗕𝗲𝗮𝗺 → 𝗖𝗼𝗹𝘂𝗺𝗻 → 𝗙𝗼𝘂𝗻𝗱𝗮𝘁𝗶𝗼𝗻 → 𝗦𝗼𝗶𝗹

Column कमजोर भए load transfer system नै break हुन्छ। Beam जति बलियो भए पनि column fail भए पूरा system collapse हुन्छ।

𝗦𝘁𝗿𝗼𝗻𝗴 𝗖𝗼𝗹𝘂𝗺𝗻 - 𝗪𝗲𝗮𝗸 𝗕𝗲𝗮𝗺 𝗖𝗼𝗻𝗰𝗲𝗽𝘁 किन महत्वपूर्ण हो?
Modern earthquake-resistant design को मुख्य principle:
👉 Beam पहिले damage होस्
👉 Column intact रहोस्

किन?
◽️Beam repair गर्न सजिलो र सस्तो हुन्छ
◽️Column damage भए repair लगभग असम्भव
◽️Column failure ले global collapse गराउँछ
◽️Beam failure ले localized damage मात्र हुन्छ

यो concept ले के ensure गर्छ?
🔸Building ductile (flexible) बन्छ
🔸Earthquake energy राम्रोसँग absorb हुन्छ
🔸Sudden collapse रोकिन्छ
🔸Life safety बढ्छ

🇳🇵 Nepal जस्तो earthquake-prone देशमा यसको importance:

हामी high seismic zone मा छौं। Weak column design, improper construction र soft-storey buildings अत्यन्त dangerous छन्। NBC (Nepal Building Code) ले पनि proper reinforcement detailing र strong column concept follow गर्न जोड दिन्छ।

🎉निष्कर्ष
Column कमजोर हुनु भनेको एउटा member कमजोर हुनु मात्र होइन - यो पूरा building system को failure point तयार हुनु हो।

त्यसैले:
👉 Column should always be stronger than beam
👉 Proper structural design बिना construction गर्नु high risk हो
👉 Earthquake safety depends heavily on column strength and detailing

तपाईंको घरको column strong छन्? Comment मा बताउनुहोस् 👇
Share गर्नुहोस् - सुरक्षित घर बनाऔं!

विस्तृत जानकारीका लागि caption पढ्नुहोस्। ⬇️𝗪𝗵𝘆 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗮𝗹 𝗗𝗿𝗮𝘄𝗶𝗻𝗴𝘀 𝗠𝗮𝘁𝘁𝗲𝗿?धेरै मानिसलाई structural drawing भनेको केवल e...
25/05/2026

विस्तृत जानकारीका लागि caption पढ्नुहोस्। ⬇️

𝗪𝗵𝘆 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗮𝗹 𝗗𝗿𝗮𝘄𝗶𝗻𝗴𝘀 𝗠𝗮𝘁𝘁𝗲𝗿?

धेरै मानिसलाई structural drawing भनेको केवल engineer ले बनाउने technical paper जस्तो लाग्न सक्छ, तर वास्तवमा यही drawing नै भवनको “real backbone” हो।

Architectural drawing ले building कस्तो देखिने भन्ने देखाउँछ भने structural drawing ले त्यो structure वास्तवमै कति सुरक्षित र stable हुन्छ भन्ने निर्धारण गर्छ।

यसमा beam, column, slab, footing, reinforcement detailing, load transfer path लगायत सम्पूर्ण structural system को स्पष्ट विवरण हुन्छ।

कुन column ले कति load लिन्छ, beam को size कति हुनुपर्छ, footing कति गहिरो र कति चौडा चाहिन्छ, steel reinforcement कहाँ र कति राख्ने - यी सबै structural drawing ले तय गर्छ।

धेरै निर्माणमा “मिस्त्रीको अनुभव” वा “अरूको घर हेरेर” structure बनाउने प्रवृत्ति देखिन्छ, जुन दीर्घकालमा अत्यन्त जोखिमपूर्ण हुन सक्छ।

किनकि प्रत्येक building को soil condition, load distribution, floor height, span र usage फरक हुन्छ। एउटै design सबै ठाउँमा सुरक्षित हुँदैन। विशेष गरी earthquake-prone देश नेपालमा structural drawing बिना निर्माण गर्नु भनेको भविष्यको जोखिम निम्त्याउनु जस्तै हो।

भूकम्पको समयमा building कसरी व्यवहार गर्छ भन्ने कुरा धेरै हदसम्म structural system र detailing मा निर्भर हुन्छ।
त्यसैले एउटा राम्रो building केवल बाहिरबाट आकर्षक भएर मात्र हुँदैन, भित्रबाट engineering दृष्टिले पनि मजबुत हुनुपर्छ।
सुन्दर architecture मानिसले देख्छन्, तर सही structural design ले नै मानिसको ज्यान जोगाउँछ।

23/05/2026

𝐏𝐢𝐥𝐞 𝐅𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧𝐬: 𝐖𝐡𝐲 𝐖𝐞 𝐔𝐬𝐞 𝐓𝐡𝐞𝐦 (𝐒𝐢𝐦𝐩𝐥𝐞 & 𝐂𝐥𝐞𝐚𝐫 𝐄𝐱𝐩𝐥𝐚𝐧𝐚𝐭𝐢𝐨𝐧)

Imagine building a tall building or a bridge on soft, muddy ground. A simple concrete slab at the surface won’t work - it would sink or crack over time. That’s where pile foundations come in. They’re like strong, deep pillars that go way down into the earth to carry the weight safely.

Here’s why engineers choose piles:

𝟏. 𝐖𝐞𝐚𝐤 𝐓𝐨𝐩 𝐒𝐨𝐢𝐥

The ground near the surface is often too soft (think clay, silt, or loose sand). Piles skip this weak layer and reach down to stronger soil or rock below.

𝟐. 𝐇𝐞𝐚𝐯𝐲 𝐁𝐮𝐢𝐥𝐝𝐢𝐧𝐠𝐬 & 𝐁𝐢𝐠 𝐋𝐨𝐚𝐝𝐬

For high-rise towers, factories, or heavy machines, the weight is massive. Normal footings would need to be huge and expensive. Piles handle the load more efficiently by going deep.

𝟑. 𝐓𝐨𝐨 𝐌𝐮𝐜𝐡 𝐒𝐞𝐭𝐭𝐥𝐞𝐦𝐞𝐧𝐭

Piles stop the building from sinking unevenly over years, keeping everything stable and safe.

𝟒. 𝐇𝐢𝐠𝐡 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐛𝐥𝐞

In places where groundwater is close to the surface, digging big shallow foundations gets messy and risky. Piles can be installed with less trouble.

𝟓. 𝐔𝐩𝐥𝐢𝐟𝐭 & 𝐒𝐢𝐝𝐞 𝐅𝐨𝐫𝐜𝐞𝐬

Wind, earthquakes, or pulling forces (like on towers or bridges) try to lift or push structures. Piles grip the ground tightly and resist these movements.

𝟔. 𝐑𝐢𝐯𝐞𝐫 𝐒𝐜𝐨𝐮𝐫 & 𝐄𝐫𝐨𝐬𝐢𝐨𝐧

For bridges over water, piles go deep below the riverbed so strong currents don’t wash away the foundation.

𝟕. 𝐓𝐫𝐢𝐜𝐤𝐲 𝐒𝐨𝐢𝐥𝐬

In expansive soils (that swell when wet) or collapsible soils, piles keep the building steady despite ground changes.

𝟖. 𝐋𝐢𝐦𝐢𝐭𝐞𝐝 𝐒𝐩𝐚𝐜𝐞

In crowded cities, you don’t have room for wide shallow foundations. Piles take up very little surface space.

𝐓𝐲𝐩𝐞𝐬 𝐨𝐟 𝐏𝐢𝐥𝐞𝐬 (𝐄𝐚𝐬𝐲 𝐁𝐫𝐞𝐚𝐤𝐝𝐨𝐰𝐧)

Piles are broadly classified based on how they transfer load:

End-bearing piles rest on a hard layer (rock or dense soil) and transfer load primarily through their base.

Friction piles rely on the skin friction developed along their surface in contact with the surrounding soil.

Many piles actually work in a combined mode (both end bearing and friction).

𝐁𝐨𝐭𝐭𝐨𝐦 𝐋𝐢𝐧𝐞:

Piles are used when the surface soil is unreliable or the structure faces special challenges like heavy weight, water, or strong forces. They cost more than simple foundations, but they give long-lasting safety and peace of mind.

Think of piles as the “deep roots” of a building - just like a big tree stays strong in a storm because of its deep roots!

This video strongly indicates a:
𝐁𝐨𝐫𝐞𝐝 𝐂𝐚𝐬𝐭-𝐢𝐧-𝐒𝐢𝐭𝐮 𝐏𝐢𝐥𝐞 𝐌𝐞𝐭𝐡𝐨𝐝
(Manual/semi-mechanical pile boring)

30/04/2026

𝐁𝐚𝐬𝐞𝐝 𝐨𝐧 𝐭𝐡𝐞 𝐯𝐢𝐝𝐞𝐨, the column shows significant construction defects. These are not superficial issues that can be overlooked.

🔴 𝐂𝐮𝐫𝐫𝐞𝐧𝐭 𝐒𝐢𝐭𝐮𝐚𝐭𝐢𝐨𝐧
An additional storey has already been constructed above, so the column is carrying load. Being located near the staircase, it is also prone to short column effects and takes significant stair-related loads, which become especially critical during earthquakes.

𝐓𝐡𝐞 𝐯𝐢𝐬𝐢𝐛𝐥𝐞 𝐩𝐫𝐨𝐛𝐥𝐞𝐦𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞:
👉️Honeycombing (large gaps in concrete)
👉️Poor compaction (improper vibration during casting)
👉️Segregation (materials not properly mixed)
👉️Risk of water entry, which can lead to steel corrosion over time and affect the whole structure

⚠️ 𝐇𝐨𝐰 𝐬𝐞𝐫𝐢𝐨𝐮𝐬 𝐢𝐬 𝐭𝐡𝐢𝐬?
This is a main structural column, so it’s already a critical element. Now that it’s carrying load from upper floors, the situation becomes more serious.

𝐃𝐞𝐟𝐞𝐜𝐭𝐬 𝐥𝐢𝐤𝐞 𝐭𝐡𝐞𝐬𝐞 𝐜𝐚𝐧:
🔸 Reduce the actual load capacity
🔸 Lead to cracks or local crushing
🔸 Cause progressive failure if things get worse
🔸 Increase earthquake risk, which is a big concern in Nepal
🔸 Given that this is a hospital, stricter design standards apply, making such defects even more unacceptable.

👉 At this stage, this is not just a quality issue-it’s a real structural risk.

🛠️ 𝐖𝐡𝐚𝐭 𝐜𝐚𝐧 𝐛𝐞 𝐝𝐨𝐧𝐞?
Since the column is already under load, simple patching won’t work.
1. Jacketing (most practical solution)
RCC jacketing (increase size and add steel)
Steel jacketing (in some cases faster)
This helps improve both strength and confinement.

2. Load relief and repair
Provide temporary supports
Remove all weak concrete
Rebuild using micro-concrete

3. Worst case
Partially break and rebuild the column if damage is too deep

🔴 Final Take
🔸In its present condition, this column cannot be deemed safe.
🔸It requires immediate inspection by a qualified technical team and will likely need strengthening or reconstruction before any further work proceeds.

⚖️ 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐃𝐢𝐬𝐜𝐥𝐚𝐢𝐦𝐞𝐫:
यस पोस्टमा गरिएको व्याख्या सामान्य इन्जिनियरिङ सिद्धान्त र दृश्य अवलोकनमा आधारित छ। सतप्रतिशत वास्तविक कारण पुष्टि गर्न विस्तृत structural investigation र site-specific analysis आवश्यक हुन्छ।

Video Credit: Aarosh Pakhrin

23/04/2026

The building features a cantilevered structure.

Ajit Yadav
22/01/2026



Ajit Yadav

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Lalitpur
Kathmandu

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